56511540526 has 32 divisors (see below), whose sum is σ = 97546014720. Its totient is φ = 24052126176.

The previous prime is 56511540509. The next prime is 56511540581. The reversal of 56511540526 is 62504511565.

56511540526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4915581 + ... + 4927063.

It is an arithmetic number, because the mean of its divisors is an integer number (3048312960).

Almost surely, 2^56511540526 is an apocalyptic number.

56511540526 is a deficient number, since it is larger than the sum of its proper divisors (41034474194).

56511540526 is a wasteful number, since it uses less digits than its factorization.

56511540526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13888.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 56511540526 in words is "fifty-six billion, five hundred eleven million, five hundred forty thousand, five hundred twenty-six".