52922857 has 6 divisors (see below), whose sum is σ = 57307182. Its totient is φ = 48851712.

The previous prime is 52922851. The next prime is 52922861. The reversal of 52922857 is 75822925.

It can be written as a sum of positive squares in 3 ways, for example, as 6533136 + 46389721 = 2556^2 + 6811^2 .

It is not a de Polignac number, because 52922857 - 2⁷ = 52922729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52922851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156408 + ... + 156745.

It is an arithmetic number, because the mean of its divisors is an integer number (9551197).

Almost surely, 2^52922857 is an apocalyptic number.

It is an amenable number.

52922857 is a deficient number, since it is larger than the sum of its proper divisors (4384325).

52922857 is a wasteful number, since it uses less digits than its factorization.

52922857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313179 (or 313166 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 52922857 is about 7274.8097569627. The cubic root of 52922857 is about 375.4462409216.

The spelling of 52922857 in words is "fifty-two million, nine hundred twenty-two thousand, eight hundred fifty-seven".