56685255 has 16 divisors (see below), whose sum is σ = 98941824. Its totient is φ = 27483680.

The previous prime is 56685229. The next prime is 56685263. The reversal of 56685255 is 55258665.

It is not a de Polignac number, because 56685255 - 2¹² = 56681159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171609 + ... + 171938.

It is an arithmetic number, because the mean of its divisors is an integer number (6183864).

Almost surely, 2^56685255 is an apocalyptic number.

56685255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56685255 is a deficient number, since it is larger than the sum of its proper divisors (42256569).

56685255 is a wasteful number, since it uses less digits than its factorization.

56685255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343566.

The product of its digits is 360000, while the sum is 42.

The square root of 56685255 is about 7528.9610837087. The cubic root of 56685255 is about 384.1404447752.

The spelling of 56685255 in words is "fifty-six million, six hundred eighty-five thousand, two hundred fifty-five".