253522556 has 12 divisors (see below), whose sum is σ = 507045168. Its totient is φ = 108652512.

The previous prime is 253522543. The next prime is 253522561. The reversal of 253522556 is 655225352.

253522556 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4527161 + ... + 4527216.

It is an arithmetic number, because the mean of its divisors is an integer number (42253764).

Almost surely, 2^253522556 is an apocalyptic number.

It is an amenable number.

253522556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253522556 is a wasteful number, since it uses less digits than its factorization.

253522556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054388 (or 9054386 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 253522556 is about 15922.3916545223. The cubic root of 253522556 is about 632.9054978146.

The spelling of 253522556 in words is "two hundred fifty-three million, five hundred twenty-two thousand, five hundred fifty-six".