53308979791 has 4 divisors (see below), whose sum is σ = 53360288800. Its totient is φ = 53257670784.

The previous prime is 53308979743. The next prime is 53308979803. The reversal of 53308979791 is 19797980335.

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 53308979791 - 2²⁷ = 53174762063 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 (53308970791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25652946 + ... + 25655023.

It is an arithmetic number, because the mean of its divisors is an integer number (13340072200).

Almost surely, 2^53308979791 is an apocalyptic number.

53308979791 is a deficient number, since it is larger than the sum of its proper divisors (51309009).

53308979791 is a wasteful number, since it uses less digits than its factorization.

53308979791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51309008.

The product of its (nonzero) digits is 12859560, while the sum is 61.

The spelling of 53308979791 in words is "fifty-three billion, three hundred eight million, nine hundred seventy-nine thousand, seven hundred ninety-one".