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55952928 = 2532238447
BaseRepresentation
bin1101010101110…
…0011000100000
310220021200222200
43111130120200
5103310443203
65315133200
71246410033
oct325343040
9126250880
1055952928
1129647299
12168a4200
13b790b55
14760701a
154da39a3
hex355c620

55952928 has 72 divisors (see below), whose sum is σ = 166053888. Its totient is φ = 17837952.

The previous prime is 55952903. The next prime is 55952957. The reversal of 55952928 is 82925955.

55952928 is a `hidden beast` number, since 559 + 5 + 2 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2401 + ... + 10847.

It is an arithmetic number, because the mean of its divisors is an integer number (2306304).

Almost surely, 255952928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55952928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83026944).

55952928 is an abundant number, since it is smaller than the sum of its proper divisors (110100960).

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

55952928 is a wasteful number, since it uses less digits than its factorization.

55952928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486 (or 8475 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 55952928 is about 7480.1689820485. The cubic root of 55952928 is about 382.4790094851.

The spelling of 55952928 in words is "fifty-five million, nine hundred fifty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 288 368 414 552 736 828 1104 1656 2208 3312 6624 8447 16894 25341 33788 50682 67576 76023 101364 135152 152046 194281 202728 270304 304092 388562 405456 582843 608184 777124 810912 1165686 1216368 1554248 1748529 2331372 2432736 3108496 3497058 4662744 6216992 6994116 9325488 13988232 18650976 27976464 55952928