56475988957465 has 64 divisors (see below), whose sum is σ = 87410214236160. Its totient is φ = 33990774531840.

The previous prime is 56475988957429. The next prime is 56475988957469.

56475988957465 is nontrivially palindromic in base 10.

56475988957465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56475988957465 - 2¹³ = 56475988949273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56475988957469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 519374932 + ... + 519483658.

It is an arithmetic number, because the mean of its divisors is an integer number (1365784597440).

Almost surely, 2^{56475988957465} is an apocalyptic number.

56475988957465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56475988957465 is a deficient number, since it is larger than the sum of its proper divisors (30934225278695).

56475988957465 is a wasteful number, since it uses less digits than its factorization.

56475988957465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155302.

The product of its digits is 91445760000, while the sum is 88.

The spelling of 56475988957465 in words is "fifty-six trillion, four hundred seventy-five billion, nine hundred eighty-eight million, nine hundred fifty-seven thousand, four hundred sixty-five".