52106920 has 16 divisors (see below), whose sum is σ = 117240660. Its totient is φ = 20842752.

The previous prime is 52106917. The next prime is 52106947. The reversal of 52106920 is 2960125.

It can be written as a sum of positive squares in 2 ways, for example, as 52099524 + 7396 = 7218^2 + 86^2 .

It is a super-2 number, since 2×52106920² = 5430262223772800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651297 + ... + 651376.

Almost surely, 2^52106920 is an apocalyptic number.

It is an amenable number.

52106920 is an abundant number, since it is smaller than the sum of its proper divisors (65133740).

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

52106920 is a wasteful number, since it uses less digits than its factorization.

52106920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302684 (or 1302680 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 52106920 is about 7218.5123121042. The cubic root of 52106920 is about 373.5067611186.

The spelling of 52106920 in words is "fifty-two million, one hundred six thousand, nine hundred twenty".