52139791207 has 4 divisors (see below), whose sum is σ = 59588332816. Its totient is φ = 44691249600.

The previous prime is 52139791181. The next prime is 52139791243. The reversal of 52139791207 is 70219793125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52139791207 - 2¹⁵ = 52139758439 is a prime.

It is a super-3 number, since 3×52139791207³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52139761207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724270794 + ... + 3724270807.

It is an arithmetic number, because the mean of its divisors is an integer number (14897083204).

Almost surely, 2^52139791207 is an apocalyptic number.

52139791207 is a deficient number, since it is larger than the sum of its proper divisors (7448541609).

52139791207 is an equidigital number, since it uses as much as digits as its factorization.

52139791207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448541608.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 52139791207 in words is "fifty-two billion, one hundred thirty-nine million, seven hundred ninety-one thousand, two hundred seven".