52139332332 has 18 divisors (see below), whose sum is σ = 131796645708. Its totient is φ = 17379777432.

The previous prime is 52139332327. The next prime is 52139332381. The reversal of 52139332332 is 23323393125.

52139332332 is a `hidden beast` number, since 5 + 213 + 93 + 323 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1448314787 = 52139332332 / (5 + 2 + 1 + 3 + 9 + 3 + 3 + 2 + 3 + 3 + 2).

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 5 ways as a sum of consecutive naturals, for example, 724157358 + ... + 724157429.

Almost surely, 2^52139332332 is an apocalyptic number.

It is an amenable number.

52139332332 is an abundant number, since it is smaller than the sum of its proper divisors (79657313376).

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

52139332332 is a wasteful number, since it uses less digits than its factorization.

52139332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448314797 (or 1448314792 counting only the distinct ones).

The product of its digits is 87480, while the sum is 36.

The spelling of 52139332332 in words is "fifty-two billion, one hundred thirty-nine million, three hundred thirty-two thousand, three hundred thirty-two".