53373663612 has 96 divisors (see below), whose sum is σ = 140764948800. Its totient is φ = 17484595200.

The previous prime is 53373663599. The next prime is 53373663617. The reversal of 53373663612 is 21636637335.

53373663612 is a `hidden beast` number, since 5 + 3 + 3 + 7 + 3 + 6 + 636 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53373663617) 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, 9806812 + ... + 9812252.

It is an arithmetic number, because the mean of its divisors is an integer number (1466301550).

Almost surely, 2^53373663612 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 53373663612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70382474400).

53373663612 is an abundant number, since it is smaller than the sum of its proper divisors (87391285188).

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

53373663612 is a wasteful number, since it uses less digits than its factorization.

53373663612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004 (or 6996 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 45.

The spelling of 53373663612 in words is "fifty-three billion, three hundred seventy-three million, six hundred sixty-three thousand, six hundred twelve".