52637236 has 24 divisors (see below), whose sum is σ = 100174536. Its totient is φ = 24099840.

The previous prime is 52637213. The next prime is 52637237. The reversal of 52637236 is 63273625.

It can be written as a sum of positive squares in 4 ways, for example, as 31292836 + 21344400 = 5594^2 + 4620^2 .

It is a super-2 number, since 2×52637236² = 5541357227439392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52637237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7945 + ... + 12976.

It is an arithmetic number, because the mean of its divisors is an integer number (4173939).

Almost surely, 2^52637236 is an apocalyptic number.

It is an amenable number.

52637236 is a deficient number, since it is larger than the sum of its proper divisors (47537300).

52637236 is a wasteful number, since it uses less digits than its factorization.

52637236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20979 (or 20977 counting only the distinct ones).

The product of its digits is 45360, while the sum is 34.

The square root of 52637236 is about 7255.1523760704. The cubic root of 52637236 is about 374.7696030676.

The spelling of 52637236 in words is "fifty-two million, six hundred thirty-seven thousand, two hundred thirty-six".