52508057550 has 48 divisors (see below), whose sum is σ = 140236909680. Its totient is φ = 12925059840.

The previous prime is 52508057549. The next prime is 52508057561. The reversal of 52508057550 is 5575080525.

It is a super-2 number, since 2×52508057550² (a number of 22 digits) contains 22 as substring.

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, 13461655 + ... + 13465554.

It is an arithmetic number, because the mean of its divisors is an integer number (2921602285).

Almost surely, 2^52508057550 is an apocalyptic number.

52508057550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52508057550 is an abundant number, since it is smaller than the sum of its proper divisors (87728852130).

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

52508057550 is a wasteful number, since it uses less digits than its factorization.

52508057550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26927237 (or 26927232 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 42.

The spelling of 52508057550 in words is "fifty-two billion, five hundred eight million, fifty-seven thousand, five hundred fifty".