56405200465516 has 48 divisors (see below), whose sum is σ = 116810407506240. Its totient is φ = 23318084401920.

The previous prime is 56405200465463. The next prime is 56405200465531. The reversal of 56405200465516 is 61556400250465.

It is a self number, because there is not a number n which added to its sum of digits gives 56405200465516.

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, 31873875 + ... + 33596938.

It is an arithmetic number, because the mean of its divisors is an integer number (2433550156380).

Almost surely, 2^{56405200465516} is an apocalyptic number.

It is an amenable number.

56405200465516 is an abundant number, since it is smaller than the sum of its proper divisors (60405207040724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56405200465516 is a wasteful number, since it uses less digits than its factorization.

56405200465516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65471914 (or 65471912 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 56405200465516 in words is "fifty-six trillion, four hundred five billion, two hundred million, four hundred sixty-five thousand, five hundred sixteen".