56505255 has 8 divisors (see below), whose sum is σ = 90408432. Its totient is φ = 30136128.

The previous prime is 56505247. The next prime is 56505269. The reversal of 56505255 is 55250565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56505255 - 2³ = 56505247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883494 + ... + 1883523.

It is an arithmetic number, because the mean of its divisors is an integer number (11301054).

Almost surely, 2^56505255 is an apocalyptic number.

56505255 is a deficient number, since it is larger than the sum of its proper divisors (33903177).

56505255 is a wasteful number, since it uses less digits than its factorization.

56505255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767025.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 56505255 is about 7516.9977384592. The cubic root of 56505255 is about 383.7334100705.

The spelling of 56505255 in words is "fifty-six million, five hundred five thousand, two hundred fifty-five".