5621392512 has 120 divisors (see below), whose sum is σ = 16527797715. Its totient is φ = 1833929472.

The previous prime is 5621392507. The next prime is 5621392519. The reversal of 5621392512 is 2152931265.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

5621392512 is a `hidden beast` number, since 5 + 6 + 2 + 139 + 2 + 512 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2810696256 + 2810696256 = 53016^2 + 53016^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53016.

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 (5621392519) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 119604073 + ... + 119604119.

Almost surely, 2^5621392512 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 5621392512

5621392512 is an abundant number, since it is smaller than the sum of its proper divisors (10906405203).

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

5621392512 is an frugal number, since it uses more digits than its factorization.

5621392512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 52 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 5621392512 is about 74975.9462227720. The cubic root of 5621392512 is about 1778.0663798314.

The spelling of 5621392512 in words is "five billion, six hundred twenty-one million, three hundred ninety-two thousand, five hundred twelve".