52891608 has 64 divisors (see below), whose sum is σ = 164862720. Its totient is φ = 13737600.

The previous prime is 52891589. The next prime is 52891637. The reversal of 52891608 is 80619825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12463 + ... + 16158.

It is an arithmetic number, because the mean of its divisors is an integer number (2575980).

Almost surely, 2^52891608 is an apocalyptic number.

It is an amenable number.

52891608 is an abundant number, since it is smaller than the sum of its proper divisors (111971112).

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

52891608 is a wasteful number, since it uses less digits than its factorization.

52891608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28648 (or 28644 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 52891608 is about 7272.6616860679. The cubic root of 52891608 is about 375.3723306418.

The spelling of 52891608 in words is "fifty-two million, eight hundred ninety-one thousand, six hundred eight".