252445554 has 24 divisors (see below), whose sum is σ = 558604800. Its totient is φ = 82357848.

The previous prime is 252445549. The next prime is 252445559. The reversal of 252445554 is 455544252.

It is an interprime number because it is at equal distance from previous prime (252445549) and next prime (252445559).

It is not an unprimeable number, because it can be changed into a prime (252445559) 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, 148354 + ... + 150045.

It is an arithmetic number, because the mean of its divisors is an integer number (23275200).

Almost surely, 2^252445554 is an apocalyptic number.

252445554 is an abundant number, since it is smaller than the sum of its proper divisors (306159246).

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

252445554 is a wasteful number, since it uses less digits than its factorization.

252445554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298454 (or 298451 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 252445554 is about 15888.5353006500. The cubic root of 252445554 is about 632.0079997519.

The spelling of 252445554 in words is "two hundred fifty-two million, four hundred forty-five thousand, five hundred fifty-four".