52636091 has 4 divisors (see below), whose sum is σ = 52716384. Its totient is φ = 52555800.

The previous prime is 52636081. The next prime is 52636093. The reversal of 52636091 is 19063625.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52636091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52636093) 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, 39155 + ... + 40476.

It is an arithmetic number, because the mean of its divisors is an integer number (13179096).

Almost surely, 2^52636091 is an apocalyptic number.

52636091 is a deficient number, since it is larger than the sum of its proper divisors (80293).

52636091 is an equidigital number, since it uses as much as digits as its factorization.

52636091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80292.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 52636091 is about 7255.0734662028. The cubic root of 52636091 is about 374.7668856357.

The spelling of 52636091 in words is "fifty-two million, six hundred thirty-six thousand, ninety-one".