52535720 has 32 divisors (see below), whose sum is σ = 120440520. Its totient is φ = 20616960.

The previous prime is 52535713. The next prime is 52535759. The reversal of 52535720 is 2753525.

It can be written as a sum of positive squares in 4 ways, for example, as 43903876 + 8631844 = 6626^2 + 2938^2 .

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, 10271 + ... + 14510.

Almost surely, 2^52535720 is an apocalyptic number.

It is an amenable number.

52535720 is an abundant number, since it is smaller than the sum of its proper divisors (67904800).

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

52535720 is a wasteful number, since it uses less digits than its factorization.

52535720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24845 (or 24841 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 52535720 is about 7248.1528681451. The cubic root of 52535720 is about 374.5285215440.

The spelling of 52535720 in words is "fifty-two million, five hundred thirty-five thousand, seven hundred twenty".