52139506700 has 18 divisors (see below), whose sum is σ = 113142729756. Its totient is φ = 20855802640.

The previous prime is 52139506693. The next prime is 52139506711. The reversal of 52139506700 is 760593125.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260697434 + ... + 260697633.

Almost surely, 2^52139506700 is an apocalyptic number.

52139506700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52139506700 is an abundant number, since it is smaller than the sum of its proper divisors (61003223056).

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

52139506700 is a wasteful number, since it uses less digits than its factorization.

52139506700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521395081 (or 521395074 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 52139506700 in words is "fifty-two billion, one hundred thirty-nine million, five hundred six thousand, seven hundred".