52968940 has 48 divisors (see below), whose sum is σ = 119260512. Its totient is φ = 19690496.

The previous prime is 52968919. The next prime is 52968983. The reversal of 52968940 is 4986925.

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, 27282 + ... + 29158.

It is an arithmetic number, because the mean of its divisors is an integer number (2484594).

Almost surely, 2^52968940 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 52968940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59630256).

52968940 is an abundant number, since it is smaller than the sum of its proper divisors (66291572).

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

52968940 is a wasteful number, since it uses less digits than its factorization.

52968940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 52968940 is about 7277.9763670955. The cubic root of 52968940 is about 375.5551835768. Note that the first 3 decimals are identical.

The spelling of 52968940 in words is "fifty-two million, nine hundred sixty-eight thousand, nine hundred forty".