52428870 has 120 divisors (see below), whose sum is σ = 153052416. Its totient is φ = 12871872.

The previous prime is 52428869. The next prime is 52428913. The reversal of 52428870 is 7882425.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 136699 + ... + 137081.

Almost surely, 2^52428870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52428870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76526208).

52428870 is an abundant number, since it is smaller than the sum of its proper divisors (100623546).

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

52428870 is a wasteful number, since it uses less digits than its factorization.

52428870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 52428870 is about 7240.7782730864. The cubic root of 52428870 is about 374.2744370612.

The spelling of 52428870 in words is "fifty-two million, four hundred twenty-eight thousand, eight hundred seventy".