52020392 has 16 divisors (see below), whose sum is σ = 97875540. Its totient is φ = 25920256.

The previous prime is 52020383. The next prime is 52020413. The reversal of 52020392 is 29302025.

It can be written as a sum of positive squares in 2 ways, for example, as 37625956 + 14394436 = 6134^2 + 3794^2 .

It is a super-2 number, since 2×52020392² = 5412242367667328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8753 + ... + 13440.

Almost surely, 2^52020392 is an apocalyptic number.

It is an amenable number.

52020392 is a deficient number, since it is larger than the sum of its proper divisors (45855148).

52020392 is a wasteful number, since it uses less digits than its factorization.

52020392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22492 (or 22488 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 52020392 is about 7212.5163431357. The cubic root of 52020392 is about 373.2998999255.

The spelling of 52020392 in words is "fifty-two million, twenty thousand, three hundred ninety-two".