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53557701054161 = 2319738330862357
BaseRepresentation
bin11000010110101110111111…
…01111110000111011010001
321000122001210021100111202112
430023113133233300323101
524004442132432213121
6305524022421555105
714165262521421353
oct1413273757607321
9230561707314675
1053557701054161
1116079769aa9287
12600ba11875a95
1323b6614764735
14d322c6b410d3
1562d25a9c575b
hex30b5dfbf0ed1

53557701054161 has 16 divisors (see below), whose sum is σ = 56316643282944. Its totient is φ = 50835979005504.

The previous prime is 53557701054139. The next prime is 53557701054167. The reversal of 53557701054161 is 16145010775535.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53557701054161 - 238 = 53282823147217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53557701054167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13695806 + ... + 17166551.

It is an arithmetic number, because the mean of its divisors is an integer number (3519790205184).

Almost surely, 253557701054161 is an apocalyptic number.

It is an amenable number.

53557701054161 is a deficient number, since it is larger than the sum of its proper divisors (2758942228783).

53557701054161 is a wasteful number, since it uses less digits than its factorization.

53557701054161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30862960.

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 53557701054161 in words is "fifty-three trillion, five hundred fifty-seven billion, seven hundred one million, fifty-four thousand, one hundred sixty-one".

Divisors: 1 23 197 383 4531 8809 75451 1735373 30862357 709834211 6079884329 11820282731 139837339567 271866502813 2328595698007 53557701054161