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54517757168 = 2473179198761
BaseRepresentation
bin110010110001100000…
…101111010011110000
312012201102210000101102
4302301200233103300
51343123021212133
641013424423532
73640000201310
oct626140572360
9165642700342
1054517757168
1121136941966
12a695a77ba8
1351aaa22b14
1428d273d440
1516412de7e8
hexcb182f4f0

54517757168 has 80 divisors (see below), whose sum is σ = 126190018560. Its totient is φ = 22324723200.

The previous prime is 54517757167. The next prime is 54517757191. The reversal of 54517757168 is 86175771545.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54517757167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174908 + ... + 373668.

It is an arithmetic number, because the mean of its divisors is an integer number (1577375232).

Almost surely, 254517757168 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 54517757168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63095009280).

54517757168 is an abundant number, since it is smaller than the sum of its proper divisors (71672261392).

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

54517757168 is a wasteful number, since it uses less digits than its factorization.

54517757168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198886 (or 198880 counting only the distinct ones).

The product of its digits is 8232000, while the sum is 56.

The spelling of 54517757168 in words is "fifty-four billion, five hundred seventeen million, seven hundred fifty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 79 112 124 158 217 248 316 434 496 553 632 868 1106 1264 1736 2212 2449 3472 4424 4898 8848 9796 17143 19592 34286 39184 68572 137144 198761 274288 397522 795044 1391327 1590088 2782654 3180176 5565308 6161591 11130616 12323182 15702119 22261232 24646364 31404238 43131137 49292728 62808476 86262274 98585456 109914833 125616952 172524548 219829666 251233904 345049096 439659332 486765689 690098192 879318664 973531378 1758637328 1947062756 3407359823 3894125512 6814719646 7788251024 13629439292 27258878584 54517757168