255531600252 has 36 divisors (see below), whose sum is σ = 646248480696. Its totient is φ = 85134820320.

The previous prime is 255531600193. The next prime is 255531600253. The reversal of 255531600252 is 252006135552.

255531600252 is a `hidden beast` number, since 25 + 5 + 5 + 3 + 1 + 600 + 25 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255531600253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1692423 + ... + 1837214.

It is an arithmetic number, because the mean of its divisors is an integer number (17951346686).

Almost surely, 2^255531600252 is an apocalyptic number.

It is an amenable number.

255531600252 is an abundant number, since it is smaller than the sum of its proper divisors (390716880444).

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

255531600252 is a wasteful number, since it uses less digits than its factorization.

255531600252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531658 (or 3531653 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 255531600252 in words is "two hundred fifty-five billion, five hundred thirty-one million, six hundred thousand, two hundred fifty-two".