52099857 has 6 divisors (see below), whose sum is σ = 75255362. Its totient is φ = 34733232.

The previous prime is 52099837. The next prime is 52099877. The reversal of 52099857 is 75899025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52099837) and next prime (52099877).

It can be written as a sum of positive squares in only one way, i.e., 51710481 + 389376 = 7191^2 + 624^2 .

It is not a de Polignac number, because 52099857 - 2¹⁸ = 51837713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52099837) 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, 2894428 + ... + 2894445.

Almost surely, 2^52099857 is an apocalyptic number.

It is an amenable number.

52099857 is a deficient number, since it is larger than the sum of its proper divisors (23155505).

52099857 is a wasteful number, since it uses less digits than its factorization.

52099857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788879 (or 5788876 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 52099857 is about 7218.0230672948. The cubic root of 52099857 is about 373.4898842978.

The spelling of 52099857 in words is "fifty-two million, ninety-nine thousand, eight hundred fifty-seven".