52525428 has 24 divisors (see below), whose sum is σ = 125549760. Its totient is φ = 17081280.

The previous prime is 52525411. The next prime is 52525433. The reversal of 52525428 is 82452525.

It is a happy number.

52525428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52888 + ... + 53871.

It is an arithmetic number, because the mean of its divisors is an integer number (5231240).

Almost surely, 2^52525428 is an apocalyptic number.

It is an amenable number.

52525428 is an abundant number, since it is smaller than the sum of its proper divisors (73024332).

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

52525428 is a wasteful number, since it uses less digits than its factorization.

52525428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106807 (or 106805 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 52525428 is about 7247.4428593815. The cubic root of 52525428 is about 374.5040626344.

The spelling of 52525428 in words is "fifty-two million, five hundred twenty-five thousand, four hundred twenty-eight".