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54136656 = 24327431249
BaseRepresentation
bin1100111010000…
…0111101010000
310202212102112100
43032200331100
5102324333111
65212200400
71225103550
oct316407520
9122772470
1054136656
1128616742
1216169100
13b2a6232
147293160
154b45756
hex33a0f50

54136656 has 120 divisors (see below), whose sum is σ = 177320000. Its totient is φ = 15095808.

The previous prime is 54136651. The next prime is 54136657. The reversal of 54136656 is 65663145.

54136656 is a `hidden beast` number, since 541 + 3 + 66 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 54136656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54136651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42720 + ... + 43968.

Almost surely, 254136656 is an apocalyptic number.

54136656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54136656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88660000).

54136656 is an abundant number, since it is smaller than the sum of its proper divisors (123183344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54136656 is a wasteful number, since it uses less digits than its factorization.

54136656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1304 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 54136656 is about 7357.7616161439. The cubic root of 54136656 is about 378.2948904037.

The spelling of 54136656 in words is "fifty-four million, one hundred thirty-six thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 43 48 56 63 72 84 86 112 126 129 144 168 172 252 258 301 336 344 387 504 516 602 688 774 903 1008 1032 1204 1249 1548 1806 2064 2408 2498 2709 3096 3612 3747 4816 4996 5418 6192 7224 7494 8743 9992 10836 11241 14448 14988 17486 19984 21672 22482 26229 29976 34972 43344 44964 52458 53707 59952 69944 78687 89928 104916 107414 139888 157374 161121 179856 209832 214828 314748 322242 375949 419664 429656 483363 629496 644484 751898 859312 966726 1127847 1258992 1288968 1503796 1933452 2255694 2577936 3007592 3383541 3866904 4511388 6015184 6767082 7733808 9022776 13534164 18045552 27068328 54136656