52136485 has 4 divisors (see below), whose sum is σ = 62563788. Its totient is φ = 41709184.

The previous prime is 52136477. The next prime is 52136521. The reversal of 52136485 is 58463125.

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 9443329 + 42693156 = 3073^2 + 6534^2 .

It is a cyclic number.

It is not a de Polignac number, because 52136485 - 2³ = 52136477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52136485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213644 + ... + 5213653.

It is an arithmetic number, because the mean of its divisors is an integer number (15640947).

Almost surely, 2^52136485 is an apocalyptic number.

It is an amenable number.

52136485 is a deficient number, since it is larger than the sum of its proper divisors (10427303).

52136485 is a wasteful number, since it uses less digits than its factorization.

52136485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427302.

The product of its digits is 28800, while the sum is 34.

The square root of 52136485 is about 7220.5598813388. The cubic root of 52136485 is about 373.5773892267.

The spelling of 52136485 in words is "fifty-two million, one hundred thirty-six thousand, four hundred eighty-five".