52522857 has 16 divisors (see below), whose sum is σ = 80496000. Its totient is φ = 33807312.

The previous prime is 52522853. The next prime is 52522861. The reversal of 52522857 is 75822525.

52522857 is a `hidden beast` number, since 52 + 522 + 85 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (52522853) and next prime (52522861).

It is not a de Polignac number, because 52522857 - 2² = 52522853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52522853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32757 + ... + 34322.

It is an arithmetic number, because the mean of its divisors is an integer number (5031000).

Almost surely, 2^52522857 is an apocalyptic number.

It is an amenable number.

52522857 is a deficient number, since it is larger than the sum of its proper divisors (27973143).

52522857 is a wasteful number, since it uses less digits than its factorization.

52522857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67117 (or 67111 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 52522857 is about 7247.2654843051. The cubic root of 52522857 is about 374.4979521612.

The spelling of 52522857 in words is "fifty-two million, five hundred twenty-two thousand, eight hundred fifty-seven".