52528040 has 32 divisors (see below), whose sum is σ = 118800000. Its totient is φ = 20902464.

The previous prime is 52528031. The next prime is 52528051. The reversal of 52528040 is 4082525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661 + ... + 11259.

It is an arithmetic number, because the mean of its divisors is an integer number (3712500).

Almost surely, 2^52528040 is an apocalyptic number.

It is an amenable number.

52528040 is an abundant number, since it is smaller than the sum of its proper divisors (66271960).

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

52528040 is a wasteful number, since it uses less digits than its factorization.

52528040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809 (or 6805 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 52528040 is about 7247.6230586310. The cubic root of 52528040 is about 374.5102703477.

The spelling of 52528040 in words is "fifty-two million, five hundred twenty-eight thousand, forty".