52912857 has 32 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 31299840.

The previous prime is 52912841. The next prime is 52912859. The reversal of 52912857 is 75821925.

It is not a de Polignac number, because 52912857 - 2⁴ = 52912841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52912859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92382 + ... + 92952.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^52912857 is an apocalyptic number.

It is an amenable number.

52912857 is a deficient number, since it is larger than the sum of its proper divisors (26160423).

52912857 is a wasteful number, since it uses less digits than its factorization.

52912857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its digits is 50400, while the sum is 39.

The square root of 52912857 is about 7274.1224212959. The cubic root of 52912857 is about 375.4225920415.

The spelling of 52912857 in words is "fifty-two million, nine hundred twelve thousand, eight hundred fifty-seven".