56144900 has 36 divisors (see below), whose sum is σ = 139241088. Its totient is φ = 19249440.

The previous prime is 56144833. The next prime is 56144911. The reversal of 56144900 is 944165.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39404 + ... + 40803.

It is an arithmetic number, because the mean of its divisors is an integer number (3867808).

Almost surely, 2^56144900 is an apocalyptic number.

56144900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56144900 is an abundant number, since it is smaller than the sum of its proper divisors (83096188).

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

56144900 is a wasteful number, since it uses less digits than its factorization.

56144900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80228 (or 80221 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 56144900 is about 7492.9900573803. The cubic root of 56144900 is about 382.9159329836.

The spelling of 56144900 in words is "fifty-six million, one hundred forty-four thousand, nine hundred".