56540134016 has 16 divisors (see below), whose sum is σ = 112638548490. Its totient is φ = 28270066944.

The previous prime is 56540133977. The next prime is 56540134043. The reversal of 56540134016 is 61043104565.

It can be written as a sum of positive squares in only one way, i.e., 42149732416 + 14390401600 = 205304^2 + 119960^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220859771 + ... + 220860026.

Almost surely, 2^56540134016 is an apocalyptic number.

It is an amenable number.

56540134016 is a deficient number, since it is larger than the sum of its proper divisors (56098414474).

56540134016 is an equidigital number, since it uses as much as digits as its factorization.

56540134016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441719811 (or 441719799 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 56540134016 in words is "fifty-six billion, five hundred forty million, one hundred thirty-four thousand, sixteen".