252303550 has 12 divisors (see below), whose sum is σ = 469284696. Its totient is φ = 100921400.

The previous prime is 252303533. The next prime is 252303559. The reversal of 252303550 is 55303252.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252303559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2522986 + ... + 2523085.

It is an arithmetic number, because the mean of its divisors is an integer number (39107058).

Almost surely, 2^252303550 is an apocalyptic number.

252303550 is a deficient number, since it is larger than the sum of its proper divisors (216981146).

252303550 is a wasteful number, since it uses less digits than its factorization.

252303550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046083 (or 5046078 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 252303550 is about 15884.0659152498. The cubic root of 252303550 is about 631.8894732077.

The spelling of 252303550 in words is "two hundred fifty-two million, three hundred three thousand, five hundred fifty".