52961356879 has 4 divisors (see below), whose sum is σ = 52966642480. Its totient is φ = 52956071280.

The previous prime is 52961356867. The next prime is 52961356891. The reversal of 52961356879 is 97865316925.

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

It is an interprime number because it is at equal distance from previous prime (52961356867) and next prime (52961356891).

It is a cyclic number.

It is not a de Polignac number, because 52961356879 - 2³³ = 44371422287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52961356829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2627742 + ... + 2647819.

It is an arithmetic number, because the mean of its divisors is an integer number (13241660620).

Almost surely, 2^52961356879 is an apocalyptic number.

52961356879 is a deficient number, since it is larger than the sum of its proper divisors (5285601).

52961356879 is a wasteful number, since it uses less digits than its factorization.

52961356879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285600.

The product of its digits is 24494400, while the sum is 61.

The spelling of 52961356879 in words is "fifty-two billion, nine hundred sixty-one million, three hundred fifty-six thousand, eight hundred seventy-nine".