56536154261 has 16 divisors (see below), whose sum is σ = 60868479168. Its totient is φ = 52316409600.

The previous prime is 56536154063. The next prime is 56536154293. The reversal of 56536154261 is 16245163565.

It is a cyclic number.

It is not a de Polignac number, because 56536154261 - 2³⁴ = 39356285077 is a prime.

It is a super-2 number, since 2×56536154261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56536154461) 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, 2822066 + ... + 2842028.

It is an arithmetic number, because the mean of its divisors is an integer number (3804279948).

Almost surely, 2^56536154261 is an apocalyptic number.

It is an amenable number.

56536154261 is a deficient number, since it is larger than the sum of its proper divisors (4332324907).

56536154261 is a wasteful number, since it uses less digits than its factorization.

56536154261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22772.

The product of its digits is 648000, while the sum is 44.

The spelling of 56536154261 in words is "fifty-six billion, five hundred thirty-six million, one hundred fifty-four thousand, two hundred sixty-one".