253440552 has 16 divisors (see below), whose sum is σ = 633601440. Its totient is φ = 84480176.

The previous prime is 253440511. The next prime is 253440571. The reversal of 253440552 is 255044352.

It is a super-2 number, since 2×253440552² = 128464226796129408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5279988 + ... + 5280035.

It is an arithmetic number, because the mean of its divisors is an integer number (39600090).

Almost surely, 2^253440552 is an apocalyptic number.

It is an amenable number.

253440552 is an abundant number, since it is smaller than the sum of its proper divisors (380160888).

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

253440552 is a wasteful number, since it uses less digits than its factorization.

253440552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10560032 (or 10560028 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 253440552 is about 15919.8163305988. The cubic root of 253440552 is about 632.8372509228.

The spelling of 253440552 in words is "two hundred fifty-three million, four hundred forty thousand, five hundred fifty-two".