53453374731 has 12 divisors (see below), whose sum is σ = 77320582560. Its totient is φ = 35584743600.

The previous prime is 53453374651. The next prime is 53453374739. The reversal of 53453374731 is 13747335435.

53453374731 is a `hidden beast` number, since 534 + 53 + 37 + 4 + 7 + 31 = 666.

It is not a de Polignac number, because 53453374731 - 2⁷ = 53453374603 is a prime.

It is a super-2 number, since 2×53453374731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53453374739) 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, 4229971 + ... + 4242588.

It is an arithmetic number, because the mean of its divisors is an integer number (6443381880).

Almost surely, 2^53453374731 is an apocalyptic number.

53453374731 is a deficient number, since it is larger than the sum of its proper divisors (23867207829).

53453374731 is a wasteful number, since it uses less digits than its factorization.

53453374731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473266 (or 8473263 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 45.

The spelling of 53453374731 in words is "fifty-three billion, four hundred fifty-three million, three hundred seventy-four thousand, seven hundred thirty-one".