52572746844 has 96 divisors (see below), whose sum is σ = 144118016000. Its totient is φ = 16527328128.

The previous prime is 52572746843. The next prime is 52572746867. The reversal of 52572746844 is 44864727525.

52572746844 is a `hidden beast` number, since 5 + 2 + 572 + 7 + 4 + 68 + 4 + 4 = 666.

52572746844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52572746843) 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, 400152 + ... + 515040.

Almost surely, 2^52572746844 is an apocalyptic number.

52572746844 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52572746844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72059008000).

52572746844 is an abundant number, since it is smaller than the sum of its proper divisors (91545269156).

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

52572746844 is a wasteful number, since it uses less digits than its factorization.

52572746844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115144 (or 115136 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 54.

The spelling of 52572746844 in words is "fifty-two billion, five hundred seventy-two million, seven hundred forty-six thousand, eight hundred forty-four".