252716550 has 24 divisors (see below), whose sum is σ = 626737416. Its totient is φ = 67391040.

The previous prime is 252716537. The next prime is 252716621. The reversal of 252716550 is 55617252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842239 + ... + 842538.

It is an arithmetic number, because the mean of its divisors is an integer number (26114059).

Almost surely, 2^252716550 is an apocalyptic number.

252716550 is an abundant number, since it is smaller than the sum of its proper divisors (374020866).

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

252716550 is a wasteful number, since it uses less digits than its factorization.

252716550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684792 (or 1684787 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 252716550 is about 15897.0610491374. The cubic root of 252716550 is about 632.2340688164.

The spelling of 252716550 in words is "two hundred fifty-two million, seven hundred sixteen thousand, five hundred fifty".