252232405550 has 24 divisors (see below), whose sum is σ = 473797355832. Its totient is φ = 99894020000.

The previous prime is 252232405549. The next prime is 252232405631. The reversal of 252232405550 is 55504232252.

252232405550 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252232405550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24968456 + ... + 24978555.

It is an arithmetic number, because the mean of its divisors is an integer number (19741556493).

Almost surely, 2^252232405550 is an apocalyptic number.

252232405550 is a deficient number, since it is larger than the sum of its proper divisors (221564950282).

252232405550 is a wasteful number, since it uses less digits than its factorization.

252232405550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49947124 (or 49947119 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 252232405550 in words is "two hundred fifty-two billion, two hundred thirty-two million, four hundred five thousand, five hundred fifty".