52071888 has 40 divisors (see below), whose sum is σ = 146749536. Its totient is φ = 15779200.

The previous prime is 52071883. The next prime is 52071889. The reversal of 52071888 is 88817025.

It is a super-2 number, since 2×52071888² = 5422963039769088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52071881) 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, 48783 + ... + 49838.

Almost surely, 2^52071888 is an apocalyptic number.

It is an amenable number.

52071888 is an abundant number, since it is smaller than the sum of its proper divisors (94677648).

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

52071888 is a wasteful number, since it uses less digits than its factorization.

52071888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98643 (or 98637 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 52071888 is about 7216.0853653487. The cubic root of 52071888 is about 373.4230382511.

The spelling of 52071888 in words is "fifty-two million, seventy-one thousand, eight hundred eighty-eight".