56123521526 has 16 divisors (see below), whose sum is σ = 88641423360. Its totient is φ = 26577225000.

The previous prime is 56123521481. The next prime is 56123521543. The reversal of 56123521526 is 62512532165.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56123521526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75350 + ... + 343401.

It is an arithmetic number, because the mean of its divisors is an integer number (5540088960).

Almost surely, 2^56123521526 is an apocalyptic number.

56123521526 is a deficient number, since it is larger than the sum of its proper divisors (32517901834).

56123521526 is a wasteful number, since it uses less digits than its factorization.

56123521526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422299.

The product of its digits is 108000, while the sum is 38.

The spelling of 56123521526 in words is "fifty-six billion, one hundred twenty-three million, five hundred twenty-one thousand, five hundred twenty-six".