52642879 has 12 divisors (see below), whose sum is σ = 54790992. Its totient is φ = 50568000.

The previous prime is 52642861. The next prime is 52642903. The reversal of 52642879 is 97824625.

52642879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52642879 - 2⁹ = 52642367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52643879) 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 11 ways as a sum of consecutive naturals, for example, 131079 + ... + 131479.

It is an arithmetic number, because the mean of its divisors is an integer number (4565916).

Almost surely, 2^52642879 is an apocalyptic number.

52642879 is a deficient number, since it is larger than the sum of its proper divisors (2148113).

52642879 is an equidigital number, since it uses as much as digits as its factorization.

52642879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 515 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 52642879 is about 7255.5412616841. The cubic root of 52642879 is about 374.7829950404.

The spelling of 52642879 in words is "fifty-two million, six hundred forty-two thousand, eight hundred seventy-nine".