52818636 has 24 divisors (see below), whose sum is σ = 132724144. Its totient is φ = 16251840.

The previous prime is 52818617. The next prime is 52818641. The reversal of 52818636 is 63681825.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 52818594 and 52818603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169135 + ... + 169446.

Almost surely, 2^52818636 is an apocalyptic number.

It is an amenable number.

52818636 is an abundant number, since it is smaller than the sum of its proper divisors (79905508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52818636 is a wasteful number, since it uses less digits than its factorization.

52818636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338601 (or 338599 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 52818636 is about 7267.6430842468. The cubic root of 52818636 is about 375.1996234935.

The spelling of 52818636 in words is "fifty-two million, eight hundred eighteen thousand, six hundred thirty-six".