52979399 has 4 divisors (see below), whose sum is σ = 57795720. Its totient is φ = 48163080.

The previous prime is 52979359. The next prime is 52979411. The reversal of 52979399 is 99397925.

52979399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52979399 - 2¹² = 52975303 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 52979399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52979309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408144 + ... + 2408165.

It is an arithmetic number, because the mean of its divisors is an integer number (14448930).

Almost surely, 2^52979399 is an apocalyptic number.

52979399 is a deficient number, since it is larger than the sum of its proper divisors (4816321).

52979399 is a wasteful number, since it uses less digits than its factorization.

52979399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816320.

The product of its digits is 1377810, while the sum is 53.

The square root of 52979399 is about 7278.6948692743. The cubic root of 52979399 is about 375.5799004088.

The spelling of 52979399 in words is "fifty-two million, nine hundred seventy-nine thousand, three hundred ninety-nine".