52644731 has 8 divisors (see below), whose sum is σ = 53529600. Its totient is φ = 51765480.

The previous prime is 52644703. The next prime is 52644737. The reversal of 52644731 is 13744625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52644731 - 2¹⁸ = 52382587 is a prime.

It is a super-2 number, since 2×52644731² = 5542935404124722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52644737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20180 + ... + 22638.

It is an arithmetic number, because the mean of its divisors is an integer number (6691200).

Almost surely, 2^52644731 is an apocalyptic number.

52644731 is a deficient number, since it is larger than the sum of its proper divisors (884869).

52644731 is a wasteful number, since it uses less digits than its factorization.

52644731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809.

The product of its digits is 20160, while the sum is 32.

The square root of 52644731 is about 7255.6688871530. The cubic root of 52644731 is about 374.7873899999.

The spelling of 52644731 in words is "fifty-two million, six hundred forty-four thousand, seven hundred thirty-one".