52685113 has 4 divisors (see below), whose sum is σ = 56737828. Its totient is φ = 48632400.

The previous prime is 52685069. The next prime is 52685137. The reversal of 52685113 is 31158625.

52685113 = 5132² + 5133².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26337424 + 26347689 = 5132^2 + 5133^2 .

It is a cyclic number.

It is not a de Polignac number, because 52685113 - 2⁹ = 52684601 is a prime.

It is a super-2 number, since 2×52685113² = 5551442263645538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52685153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026338 + ... + 2026363.

It is an arithmetic number, because the mean of its divisors is an integer number (14184457).

Almost surely, 2^52685113 is an apocalyptic number.

52685113 is the 5133-rd centered square number.

It is an amenable number.

52685113 is a deficient number, since it is larger than the sum of its proper divisors (4052715).

52685113 is a wasteful number, since it uses less digits than its factorization.

52685113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052714.

The product of its digits is 7200, while the sum is 31.

The square root of 52685113 is about 7258.4511433225. The cubic root of 52685113 is about 374.8831944358.

The spelling of 52685113 in words is "fifty-two million, six hundred eighty-five thousand, one hundred thirteen".