53112977944 has 24 divisors (see below), whose sum is σ = 107836633260. Its totient is φ = 24513681504.

The previous prime is 53112977941. The next prime is 53112977959. The reversal of 53112977944 is 44977921135.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 53112977891 and 53112977900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112977941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19641022 + ... + 19643725.

Almost surely, 2^53112977944 is an apocalyptic number.

It is an amenable number.

53112977944 is an abundant number, since it is smaller than the sum of its proper divisors (54723655316).

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

53112977944 is a wasteful number, since it uses less digits than its factorization.

53112977944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39284779 (or 39284762 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The spelling of 53112977944 in words is "fifty-three billion, one hundred twelve million, nine hundred seventy-seven thousand, nine hundred forty-four".