56983400 has 24 divisors (see below), whose sum is σ = 132486870. Its totient is φ = 22793280.

The previous prime is 56983391. The next prime is 56983403. The reversal of 56983400 is 438965.

It can be written as a sum of positive squares in 3 ways, for example, as 41190724 + 15792676 = 6418^2 + 3974^2 .

It is not an unprimeable number, because it can be changed into a prime (56983403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142259 + ... + 142658.

Almost surely, 2^56983400 is an apocalyptic number.

56983400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56983400 is an abundant number, since it is smaller than the sum of its proper divisors (75503470).

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

56983400 is a wasteful number, since it uses less digits than its factorization.

56983400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284933 (or 284924 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 56983400 is about 7548.7349933615. The cubic root of 56983400 is about 384.8127497818.

The spelling of 56983400 in words is "fifty-six million, nine hundred eighty-three thousand, four hundred".