56900880 has 120 divisors (see below), whose sum is σ = 198237312. Its totient is φ = 15168384.

The previous prime is 56900867. The next prime is 56900897. The reversal of 56900880 is 8800965.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17977 + ... + 20903.

Almost surely, 2^56900880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56900880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99118656).

56900880 is an abundant number, since it is smaller than the sum of its proper divisors (141336432).

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

56900880 is a wasteful number, since it uses less digits than its factorization.

56900880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 56900880 is about 7543.2671966463. The cubic root of 56900880 is about 384.6269056651.

The spelling of 56900880 in words is "fifty-six million, nine hundred thousand, eight hundred eighty".