52259720 has 32 divisors (see below), whose sum is σ = 118805400. Its totient is φ = 20686848.

The previous prime is 52259693. The next prime is 52259731. The reversal of 52259720 is 2795225.

It is a happy number.

52259720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 43533604 + 8726116 = 6598^2 + 2954^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855 + ... + 10614.

Almost surely, 2^52259720 is an apocalyptic number.

It is an amenable number.

52259720 is an abundant number, since it is smaller than the sum of its proper divisors (66545680).

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

52259720 is a wasteful number, since it uses less digits than its factorization.

52259720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13577 (or 13573 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 52259720 is about 7229.0884625933. The cubic root of 52259720 is about 373.8714992211.

The spelling of 52259720 in words is "fifty-two million, two hundred fifty-nine thousand, seven hundred twenty".