56645464000 has 56 divisors (see below), whose sum is σ = 140282511408. Its totient is φ = 22658182400.

The previous prime is 56645463947. The next prime is 56645464013. The reversal of 56645464000 is 46454665.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 3532342 + ... + 3548341.

Almost surely, 2^56645464000 is an apocalyptic number.

56645464000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56645464000 is an abundant number, since it is smaller than the sum of its proper divisors (83637047408).

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

56645464000 is an equidigital number, since it uses as much as digits as its factorization.

56645464000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080710 (or 7080690 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 56645464000 in words is "fifty-six billion, six hundred forty-five million, four hundred sixty-four thousand".