52715990139 has 4 divisors (see below), whose sum is σ = 70287986856. Its totient is φ = 35143993424.

The previous prime is 52715990111. The next prime is 52715990147. The reversal of 52715990139 is 93109951725.

52715990139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52715990139 - 2¹⁹ = 52715465851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52715990091 and 52715990100.

It is not an unprimeable number, because it can be changed into a prime (52715990339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8785998354 + ... + 8785998359.

It is an arithmetic number, because the mean of its divisors is an integer number (17571996714).

Almost surely, 2^52715990139 is an apocalyptic number.

52715990139 is a deficient number, since it is larger than the sum of its proper divisors (17571996717).

52715990139 is a wasteful number, since it uses less digits than its factorization.

52715990139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17571996716.

The product of its (nonzero) digits is 765450, while the sum is 51.

The spelling of 52715990139 in words is "fifty-two billion, seven hundred fifteen million, nine hundred ninety thousand, one hundred thirty-nine".