56557030167 has 32 divisors (see below), whose sum is σ = 91838603520. Its totient is φ = 34114500000.

The previous prime is 56557030163. The next prime is 56557030223. The reversal of 56557030167 is 76103075565.

56557030167 is a `hidden beast` number, since 5 + 6 + 557 + 0 + 30 + 1 + 67 = 666.

It is not a de Polignac number, because 56557030167 - 2² = 56557030163 is a prime.

It is a super-2 number, since 2×56557030167² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56557030163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388584 + ... + 513917.

It is an arithmetic number, because the mean of its divisors is an integer number (2869956360).

Almost surely, 2^56557030167 is an apocalyptic number.

56557030167 is a deficient number, since it is larger than the sum of its proper divisors (35281573353).

56557030167 is a wasteful number, since it uses less digits than its factorization.

56557030167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902732 (or 902726 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The spelling of 56557030167 in words is "fifty-six billion, five hundred fifty-seven million, thirty thousand, one hundred sixty-seven".