52653432 has 32 divisors (see below), whose sum is σ = 141760080. Its totient is φ = 16200960.

The previous prime is 52653413. The next prime is 52653481. The reversal of 52653432 is 23435625.

It is a super-4 number, since 4×52653432⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52653432.

It is a congruent number.

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, 84069 + ... + 84692.

Almost surely, 2^52653432 is an apocalyptic number.

52653432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52653432 is an abundant number, since it is smaller than the sum of its proper divisors (89106648).

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

52653432 is a wasteful number, since it uses less digits than its factorization.

52653432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168783 (or 168779 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 52653432 is about 7256.2684625088. The cubic root of 52653432 is about 374.8080368616.

The spelling of 52653432 in words is "fifty-two million, six hundred fifty-three thousand, four hundred thirty-two".