53565879 has 8 divisors (see below), whose sum is σ = 72427392. Its totient is φ = 35207480.

The previous prime is 53565877. The next prime is 53565901. The reversal of 53565879 is 97856535.

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

It is not a de Polignac number, because 53565879 - 2¹ = 53565877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53565877) 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, 125529 + ... + 125954.

It is an arithmetic number, because the mean of its divisors is an integer number (9053424).

Almost surely, 2^53565879 is an apocalyptic number.

53565879 is a deficient number, since it is larger than the sum of its proper divisors (18861513).

53565879 is a wasteful number, since it uses less digits than its factorization.

53565879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251557.

The product of its digits is 1134000, while the sum is 48.

The square root of 53565879 is about 7318.8714293940. The cubic root of 53565879 is about 376.9607029612.

The spelling of 53565879 in words is "fifty-three million, five hundred sixty-five thousand, eight hundred seventy-nine".