52021879 has 12 divisors (see below), whose sum is σ = 65171064. Its totient is φ = 41159664.

The previous prime is 52021877. The next prime is 52021897. The reversal of 52021879 is 97812025.

It is not a de Polignac number, because 52021879 - 2¹ = 52021877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40197 + ... + 41470.

It is an arithmetic number, because the mean of its divisors is an integer number (5430922).

Almost surely, 2^52021879 is an apocalyptic number.

52021879 is a deficient number, since it is larger than the sum of its proper divisors (13149185).

52021879 is a wasteful number, since it uses less digits than its factorization.

52021879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81694 (or 81687 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 52021879 is about 7212.6194270875. The cubic root of 52021879 is about 373.3034568105.

It can be divided in two parts, 52021 and 879, that added together give a square (52900 = 230²).

The spelling of 52021879 in words is "fifty-two million, twenty-one thousand, eight hundred seventy-nine".