255613624 has 32 divisors (see below), whose sum is σ = 553402080. Its totient is φ = 108417024.

The previous prime is 255613621. The next prime is 255613679. The reversal of 255613624 is 426316552.

It is a self number, because there is not a number n which added to its sum of digits gives 255613624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255613621) 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, 18097 + ... + 28960.

It is an arithmetic number, because the mean of its divisors is an integer number (17293815).

Almost surely, 2^255613624 is an apocalyptic number.

It is an amenable number.

255613624 is an abundant number, since it is smaller than the sum of its proper divisors (297788456).

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

255613624 is a wasteful number, since it uses less digits than its factorization.

255613624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47167 (or 47163 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 255613624 is about 15987.9211906989. The cubic root of 255613624 is about 634.6408153226.

The spelling of 255613624 in words is "two hundred fifty-five million, six hundred thirteen thousand, six hundred twenty-four".