52428490 has 8 divisors (see below), whose sum is σ = 94371300. Its totient is φ = 20971392.

The previous prime is 52428479. The next prime is 52428511. The reversal of 52428490 is 9482425.

It can be written as a sum of positive squares in 2 ways, for example, as 45684081 + 6744409 = 6759^2 + 2597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2621415 + ... + 2621434.

Almost surely, 2^52428490 is an apocalyptic number.

52428490 is a deficient number, since it is larger than the sum of its proper divisors (41942810).

52428490 is a wasteful number, since it uses less digits than its factorization.

52428490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242856.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 52428490 is about 7240.7520327657. The cubic root of 52428490 is about 374.2735328226.

The spelling of 52428490 in words is "fifty-two million, four hundred twenty-eight thousand, four hundred ninety".