255751560 has 64 divisors (see below), whose sum is σ = 852508800. Its totient is φ = 68200128.

The previous prime is 255751549. The next prime is 255751579. The reversal of 255751560 is 65157552.

It is a happy number.

255751560 is a `hidden beast` number, since 2 + 557 + 51 + 56 + 0 = 666.

255751560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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, 117324 + ... + 119483.

It is an arithmetic number, because the mean of its divisors is an integer number (13320450).

Almost surely, 2^255751560 is an apocalyptic number.

255751560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255751560 is an abundant number, since it is smaller than the sum of its proper divisors (596757240).

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

255751560 is a wasteful number, since it uses less digits than its factorization.

255751560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236827 (or 236817 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 255751560 is about 15992.2343654663. The cubic root of 255751560 is about 634.7549512237.

The spelling of 255751560 in words is "two hundred fifty-five million, seven hundred fifty-one thousand, five hundred sixty".