52420932 has 42 divisors (see below), whose sum is σ = 137549678. Its totient is φ = 17472672.

The previous prime is 52420909. The next prime is 52420957. The reversal of 52420932 is 23902425.

52420932 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 only one way, i.e., 44836416 + 7584516 = 6696^2 + 2754^2 .

It is a super-2 number, since 2×52420932² = 5495908223497248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52420896 and 52420905.

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 13 ways as a sum of consecutive naturals, for example, 6073 + ... + 11904.

Almost surely, 2^52420932 is an apocalyptic number.

It is an amenable number.

52420932 is an abundant number, since it is smaller than the sum of its proper divisors (85128746).

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

52420932 is a wasteful number, since it uses less digits than its factorization.

52420932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17999 (or 17982 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 52420932 is about 7240.2301068405. The cubic root of 52420932 is about 374.2555470843.

The spelling of 52420932 in words is "fifty-two million, four hundred twenty thousand, nine hundred thirty-two".