52251265550 has 48 divisors (see below), whose sum is σ = 106106637312. Its totient is φ = 18985394400.

The previous prime is 52251265541. The next prime is 52251265567. The reversal of 52251265550 is 5556215225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668627 + ... + 742673.

It is an arithmetic number, because the mean of its divisors is an integer number (2210554944).

Almost surely, 2^52251265550 is an apocalyptic number.

52251265550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52251265550 is an abundant number, since it is smaller than the sum of its proper divisors (53855371762).

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

52251265550 is a wasteful number, since it uses less digits than its factorization.

52251265550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75353 (or 75348 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 52251265550 in words is "fifty-two billion, two hundred fifty-one million, two hundred sixty-five thousand, five hundred fifty".