56255500 has 48 divisors (see below), whose sum is σ = 140422464. Its totient is φ = 19286400.

The previous prime is 56255489. The next prime is 56255513. The reversal of 56255500 is 555265.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 15 ways as a sum of consecutive naturals, for example, 4537 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (2925468).

Almost surely, 2^56255500 is an apocalyptic number.

56255500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56255500 is an abundant number, since it is smaller than the sum of its proper divisors (84166964).

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

56255500 is a wasteful number, since it uses less digits than its factorization.

56255500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16099 (or 16087 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 56255500 is about 7500.3666577041. The cubic root of 56255500 is about 383.1672037953.

The spelling of 56255500 in words is "fifty-six million, two hundred fifty-five thousand, five hundred".