53112317945 has 32 divisors (see below), whose sum is σ = 70208916480. Its totient is φ = 38391883200.

The previous prime is 53112317941. The next prime is 53112317953. The reversal of 53112317945 is 54971321135.

It is not a de Polignac number, because 53112317945 - 2² = 53112317941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53112317941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 723170 + ... + 793220.

It is an arithmetic number, because the mean of its divisors is an integer number (2194028640).

Almost surely, 2^53112317945 is an apocalyptic number.

It is an amenable number.

53112317945 is a deficient number, since it is larger than the sum of its proper divisors (17096598535).

53112317945 is a wasteful number, since it uses less digits than its factorization.

53112317945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70445.

The product of its digits is 113400, while the sum is 41.

The spelling of 53112317945 in words is "fifty-three billion, one hundred twelve million, three hundred seventeen thousand, nine hundred forty-five".