53112317944 has 64 divisors (see below), whose sum is σ = 116831232000. Its totient is φ = 22625924832.

The previous prime is 53112317941. The next prime is 53112317953. The reversal of 53112317944 is 44971321135.

It is a junction number, because it is equal to n+sod(n) for n = 53112317897 and 53112317906.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400297 + ... + 516199.

It is an arithmetic number, because the mean of its divisors is an integer number (1825488000).

Almost surely, 2^53112317944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53112317944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58415616000).

53112317944 is an abundant number, since it is smaller than the sum of its proper divisors (63718914056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53112317944 is a wasteful number, since it uses less digits than its factorization.

53112317944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116097 (or 116079 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 53112317944 in words is "fifty-three billion, one hundred twelve million, three hundred seventeen thousand, nine hundred forty-four".