52089636 has 24 divisors (see below), whose sum is σ = 124828480. Its totient is φ = 16893792.

The previous prime is 52089629. The next prime is 52089637. The reversal of 52089636 is 63698025.

It is a super-2 number, since 2×52089636² = 5426660357224992, which contains 22 as substring.

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 junction number, because it is equal to n+sod(n) for n = 52089594 and 52089603.

It is not an unprimeable number, because it can be changed into a prime (52089637) 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, 58216 + ... + 59103.

Almost surely, 2^52089636 is an apocalyptic number.

It is an amenable number.

52089636 is an abundant number, since it is smaller than the sum of its proper divisors (72738844).

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

52089636 is a wasteful number, since it uses less digits than its factorization.

52089636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117363 (or 117361 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 52089636 is about 7217.3150132165. The cubic root of 52089636 is about 373.4654588323.

It can be divided in two parts, 52089 and 636, that added together give a palindrome (52725).

The spelling of 52089636 in words is "fifty-two million, eighty-nine thousand, six hundred thirty-six".