52135645 has 16 divisors (see below), whose sum is σ = 65687040. Its totient is φ = 39672000.

The previous prime is 52135637. The next prime is 52135667. The reversal of 52135645 is 54653125.

It is not a de Polignac number, because 52135645 - 2³ = 52135637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6295 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (4105440).

Almost surely, 2^52135645 is an apocalyptic number.

It is an amenable number.

52135645 is a deficient number, since it is larger than the sum of its proper divisors (13551395).

52135645 is a wasteful number, since it uses less digits than its factorization.

52135645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796.

The product of its digits is 18000, while the sum is 31.

The square root of 52135645 is about 7220.5017138700. The cubic root of 52135645 is about 373.5753829114.

The spelling of 52135645 in words is "fifty-two million, one hundred thirty-five thousand, six hundred forty-five".