52864491 has 8 divisors (see below), whose sum is σ = 71641744. Its totient is φ = 34665120.

The previous prime is 52864481. The next prime is 52864523. The reversal of 52864491 is 19446825.

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

It is not a de Polignac number, because 52864491 - 2⁵ = 52864459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52864411) 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, 144256 + ... + 144621.

It is an arithmetic number, because the mean of its divisors is an integer number (8955218).

Almost surely, 2^52864491 is an apocalyptic number.

52864491 is a deficient number, since it is larger than the sum of its proper divisors (18777253).

52864491 is a wasteful number, since it uses less digits than its factorization.

52864491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288941.

The product of its digits is 69120, while the sum is 39.

The square root of 52864491 is about 7270.7971364906. The cubic root of 52864491 is about 375.3081697921.

The spelling of 52864491 in words is "fifty-two million, eight hundred sixty-four thousand, four hundred ninety-one".