52636791 has 32 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 32572800.

The previous prime is 52636781. The next prime is 52636799. The reversal of 52636791 is 19763625.

It is not a de Polignac number, because 52636791 - 2¹⁰ = 52635767 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52636799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290721 + ... + 290901.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^52636791 is an apocalyptic number.

52636791 is a deficient number, since it is larger than the sum of its proper divisors (22842249).

52636791 is a wasteful number, since it uses less digits than its factorization.

52636791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its digits is 68040, while the sum is 39.

The square root of 52636791 is about 7255.1217081452. The cubic root of 52636791 is about 374.7685469525.

The spelling of 52636791 in words is "fifty-two million, six hundred thirty-six thousand, seven hundred ninety-one".