52428216 has 16 divisors (see below), whose sum is σ = 131070600. Its totient is φ = 17476064.

The previous prime is 52428197. The next prime is 52428227. The reversal of 52428216 is 61282425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092231 + ... + 1092278.

Almost surely, 2^52428216 is an apocalyptic number.

It is an amenable number.

52428216 is an abundant number, since it is smaller than the sum of its proper divisors (78642384).

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

52428216 is a wasteful number, since it uses less digits than its factorization.

52428216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184518 (or 2184514 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 52428216 is about 7240.7331120543. The cubic root of 52428216 is about 374.2728808162.

The spelling of 52428216 in words is "fifty-two million, four hundred twenty-eight thousand, two hundred sixteen".