52972133632 has 72 divisors (see below), whose sum is σ = 116114668992. Its totient is φ = 23918592000.

The previous prime is 52972133609. The next prime is 52972133639. The reversal of 52972133632 is 23633127925.

It is a super-2 number, since 2×52972133632² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52972133639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362928 + ... + 487504.

It is an arithmetic number, because the mean of its divisors is an integer number (1612703736).

Almost surely, 2^52972133632 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 52972133632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58057334496).

52972133632 is an abundant number, since it is smaller than the sum of its proper divisors (63142535360).

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

52972133632 is a wasteful number, since it uses less digits than its factorization.

52972133632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124755 (or 124741 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The spelling of 52972133632 in words is "fifty-two billion, nine hundred seventy-two million, one hundred thirty-three thousand, six hundred thirty-two".