52351315157 has 4 divisors (see below), whose sum is σ = 53088657696. Its totient is φ = 51613972620.

The previous prime is 52351315123. The next prime is 52351315169. The reversal of 52351315157 is 75151315325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52351315157 - 2⁸ = 52351314901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52351315157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52351311157) 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, 368671163 + ... + 368671304.

It is an arithmetic number, because the mean of its divisors is an integer number (13272164424).

Almost surely, 2^52351315157 is an apocalyptic number.

It is an amenable number.

52351315157 is a deficient number, since it is larger than the sum of its proper divisors (737342539).

52351315157 is an equidigital number, since it uses as much as digits as its factorization.

52351315157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737342538.

The product of its digits is 78750, while the sum is 38.

The spelling of 52351315157 in words is "fifty-two billion, three hundred fifty-one million, three hundred fifteen thousand, one hundred fifty-seven".