56040900 has 72 divisors (see below), whose sum is σ = 162906240. Its totient is φ = 14874240.

The previous prime is 56040893. The next prime is 56040913. The reversal of 56040900 is 904065.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109846 + ... + 110354.

Almost surely, 2^56040900 is an apocalyptic number.

56040900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56040900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81453120).

56040900 is an abundant number, since it is smaller than the sum of its proper divisors (106865340).

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

56040900 is a wasteful number, since it uses less digits than its factorization.

56040900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 56040900 is about 7486.0470209584. The cubic root of 56040900 is about 382.6793554184.

Adding to 56040900 its reverse (904065), we get a palindrome (56944965).

The spelling of 56040900 in words is "fifty-six million, forty thousand, nine hundred".