56451810404 has 48 divisors (see below), whose sum is σ = 113471668800. Its totient is φ = 24303427200.

The previous prime is 56451810367. The next prime is 56451810409. The reversal of 56451810404 is 40401815465.

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

It is not an unprimeable number, because it can be changed into a prime (56451810409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6038774 + ... + 6048114.

It is an arithmetic number, because the mean of its divisors is an integer number (2363993100).

Almost surely, 2^56451810404 is an apocalyptic number.

It is an amenable number.

56451810404 is an abundant number, since it is smaller than the sum of its proper divisors (57019858396).

56451810404 is a wasteful number, since it uses less digits than its factorization.

56451810404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16604 (or 16602 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 56451810404 in words is "fifty-six billion, four hundred fifty-one million, eight hundred ten thousand, four hundred four".