53321163879 has 24 divisors (see below), whose sum is σ = 74356459632. Its totient is φ = 33985388800.

The previous prime is 53321163871. The next prime is 53321163887. The reversal of 53321163879 is 97836112335.

It is an interprime number because it is at equal distance from previous prime (53321163871) and next prime (53321163887).

It is not a de Polignac number, because 53321163879 - 2³ = 53321163871 is a prime.

It is a super-2 number, since 2×53321163879² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53321163871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3828829 + ... + 3842729.

It is an arithmetic number, because the mean of its divisors is an integer number (3098185818).

Almost surely, 2^53321163879 is an apocalyptic number.

53321163879 is a deficient number, since it is larger than the sum of its proper divisors (21035295753).

53321163879 is a wasteful number, since it uses less digits than its factorization.

53321163879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16367 (or 16344 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The spelling of 53321163879 in words is "fifty-three billion, three hundred twenty-one million, one hundred sixty-three thousand, eight hundred seventy-nine".