52402857 has 16 divisors (see below), whose sum is σ = 79672320. Its totient is φ = 30350592.

The previous prime is 52402837. The next prime is 52402873. The reversal of 52402857 is 75820425.

It is not a de Polignac number, because 52402857 - 2¹¹ = 52400809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52402837) 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, 38857 + ... + 40182.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 2^52402857 is an apocalyptic number.

It is an amenable number.

52402857 is a deficient number, since it is larger than the sum of its proper divisors (27269463).

52402857 is a wasteful number, since it uses less digits than its factorization.

52402857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79072.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 52402857 is about 7238.9817654142. The cubic root of 52402857 is about 374.2125270768.

The spelling of 52402857 in words is "fifty-two million, four hundred two thousand, eight hundred fifty-seven".