56445054464 has 40 divisors (see below), whose sum is σ = 113251992480. Its totient is φ = 28104380416.

The previous prime is 56445054401. The next prime is 56445054487. The reversal of 56445054464 is 46445054465.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 108269 + ... + 353004.

It is an arithmetic number, because the mean of its divisors is an integer number (2831299812).

Almost surely, 2^56445054464 is an apocalyptic number.

It is an amenable number.

56445054464 is an abundant number, since it is smaller than the sum of its proper divisors (56806938016).

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

56445054464 is an equidigital number, since it uses as much as digits as its factorization.

56445054464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461530 (or 461514 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 47.

Subtracting from 56445054464 its reverse (46445054465), we obtain a palindrome (9999999999).

The spelling of 56445054464 in words is "fifty-six billion, four hundred forty-five million, fifty-four thousand, four hundred sixty-four".