56550256 has 40 divisors (see below), whose sum is σ = 125750880. Its totient is φ = 24132864.

The previous prime is 56550209. The next prime is 56550257. The reversal of 56550256 is 65205565.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56550257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29190 + ... + 31066.

It is an arithmetic number, because the mean of its divisors is an integer number (3143772).

Almost surely, 2^56550256 is an apocalyptic number.

56550256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56550256 is an abundant number, since it is smaller than the sum of its proper divisors (69200624).

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

56550256 is a wasteful number, since it uses less digits than its factorization.

56550256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 56550256 is about 7519.9904255258. The cubic root of 56550256 is about 383.8352519553.

The spelling of 56550256 in words is "fifty-six million, five hundred fifty thousand, two hundred fifty-six".