252645550550 has 24 divisors (see below), whose sum is σ = 470682403416. Its totient is φ = 100894418240.

The previous prime is 252645550537. The next prime is 252645550561. The reversal of 252645550550 is 55055546252.

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, 4063892 + ... + 4125591.

It is an arithmetic number, because the mean of its divisors is an integer number (19611766809).

Almost surely, 2^252645550550 is an apocalyptic number.

252645550550 is a deficient number, since it is larger than the sum of its proper divisors (218036852866).

252645550550 is a wasteful number, since it uses less digits than its factorization.

252645550550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190112 (or 8190107 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 44.

The spelling of 252645550550 in words is "two hundred fifty-two billion, six hundred forty-five million, five hundred fifty thousand, five hundred fifty".