53311873032 has 144 divisors (see below), whose sum is σ = 164584339920. Its totient is φ = 16155041760.

The previous prime is 53311873019. The next prime is 53311873039. The reversal of 53311873032 is 23037811335.

53311873032 is a `hidden beast` number, since 5 + 331 + 18 + 7 + 303 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53311873039) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121903 + ... + 348545.

It is an arithmetic number, because the mean of its divisors is an integer number (1142946805).

Almost surely, 2^53311873032 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 53311873032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82292169960).

53311873032 is an abundant number, since it is smaller than the sum of its proper divisors (111272466888).

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

53311873032 is a wasteful number, since it uses less digits than its factorization.

53311873032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226686 (or 226659 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 53311873032 in words is "fifty-three billion, three hundred eleven million, eight hundred seventy-three thousand, thirty-two".