56555256257145 has 32 divisors (see below), whose sum is σ = 100663959868800. Its totient is φ = 30126418713792.

The previous prime is 56555256257117. The next prime is 56555256257179. The reversal of 56555256257145 is 54175265255565.

56555256257145 is a `hidden beast` number, since 5 + 6 + 5 + 5 + 5 + 2 + 56 + 2 + 571 + 4 + 5 = 666.

It is not a de Polignac number, because 56555256257145 - 2¹⁸ = 56555255995001 is a prime.

It is a super-2 number, since 2×56555256257145² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252558667 + ... + 252782496.

It is an arithmetic number, because the mean of its divisors is an integer number (3145748745900).

Almost surely, 2^{56555256257145} is an apocalyptic number.

It is an amenable number.

56555256257145 is a deficient number, since it is larger than the sum of its proper divisors (44108703611655).

56555256257145 is a wasteful number, since it uses less digits than its factorization.

56555256257145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505342006 (or 505342000 counting only the distinct ones).

The product of its digits is 315000000, while the sum is 63.

The spelling of 56555256257145 in words is "fifty-six trillion, five hundred fifty-five billion, two hundred fifty-six million, two hundred fifty-seven thousand, one hundred forty-five".