52231705632 has 150 divisors (see below), whose sum is σ = 155939449743. Its totient is φ = 17150709312.

The previous prime is 52231705577. The next prime is 52231705637. The reversal of 52231705632 is 23650713225.

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.

52231705632 is a `hidden beast` number, since 5 + 2 + 2 + 3 + 17 + 0 + 5 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26115852816 + 26115852816 = 161604^2 + 161604^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=161604.

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 (52231705637) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 779577663 + ... + 779577729.

Almost surely, 2^52231705632 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 52231705632

52231705632 is an abundant number, since it is smaller than the sum of its proper divisors (103707744111).

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

52231705632 is an frugal number, since it uses more digits than its factorization.

52231705632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 52231705632 in words is "fifty-two billion, two hundred thirty-one million, seven hundred five thousand, six hundred thirty-two".