56173307522 has 16 divisors (see below), whose sum is σ = 85709988000. Its totient is φ = 27603554880.

The previous prime is 56173307507. The next prime is 56173307557. The reversal of 56173307522 is 22570337165.

It is a super-2 number, since 2×56173307522² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56173307522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418997 + ... + 536567.

It is an arithmetic number, because the mean of its divisors is an integer number (5356874250).

Almost surely, 2^56173307522 is an apocalyptic number.

56173307522 is a deficient number, since it is larger than the sum of its proper divisors (29536680478).

56173307522 is a wasteful number, since it uses less digits than its factorization.

56173307522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121681.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 56173307522 in words is "fifty-six billion, one hundred seventy-three million, three hundred seven thousand, five hundred twenty-two".