56012321461 has 32 divisors (see below), whose sum is σ = 61105869440. Its totient is φ = 51167821824.

The previous prime is 56012321419. The next prime is 56012321471. The reversal of 56012321461 is 16412321065.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56012321461 - 2⁷ = 56012321333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56012321401) 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, 48579061 + ... + 48580213.

It is an arithmetic number, because the mean of its divisors is an integer number (1909558420).

Almost surely, 2^56012321461 is an apocalyptic number.

It is an amenable number.

56012321461 is a deficient number, since it is larger than the sum of its proper divisors (5093547979).

56012321461 is a wasteful number, since it uses less digits than its factorization.

56012321461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 56012321461 in words is "fifty-six billion, twelve million, three hundred twenty-one thousand, four hundred sixty-one".