52636157 has 4 divisors (see below), whose sum is σ = 60155616. Its totient is φ = 45116700.

The previous prime is 52636153. The next prime is 52636159. The reversal of 52636157 is 75163625.

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 52636157 - 2² = 52636153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52636153) 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, 3759719 + ... + 3759732.

It is an arithmetic number, because the mean of its divisors is an integer number (15038904).

Almost surely, 2^52636157 is an apocalyptic number.

It is an amenable number.

52636157 is a deficient number, since it is larger than the sum of its proper divisors (7519459).

52636157 is an equidigital number, since it uses as much as digits as its factorization.

52636157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519458.

The product of its digits is 37800, while the sum is 35.

The square root of 52636157 is about 7255.0780147425. The cubic root of 52636157 is about 374.7670422748.

The spelling of 52636157 in words is "fifty-two million, six hundred thirty-six thousand, one hundred fifty-seven".