53391074608331 has 4 divisors (see below), whose sum is σ = 55113367337664. Its totient is φ = 51668781879000.

The previous prime is 53391074608307. The next prime is 53391074608379. The reversal of 53391074608331 is 13380647019335.

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 53391074608331 - 2³⁰ = 53390000866507 is a prime.

It is a super-2 number, since 2×53391074608331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53391074604331) 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, 861146364620 + ... + 861146364681.

It is an arithmetic number, because the mean of its divisors is an integer number (13778341834416).

Almost surely, 2^{53391074608331} is an apocalyptic number.

53391074608331 is a deficient number, since it is larger than the sum of its proper divisors (1722292729333).

53391074608331 is a wasteful number, since it uses less digits than its factorization.

53391074608331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722292729332.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 53391074608331 in words is "fifty-three trillion, three hundred ninety-one billion, seventy-four million, six hundred eight thousand, three hundred thirty-one".