52285290 has 16 divisors (see below), whose sum is σ = 125484768. Its totient is φ = 13942736.

The previous prime is 52285273. The next prime is 52285309. The reversal of 52285290 is 9258225.

It is a nialpdrome in base 13.

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, 871392 + ... + 871451.

It is an arithmetic number, because the mean of its divisors is an integer number (7842798).

Almost surely, 2^52285290 is an apocalyptic number.

52285290 is an abundant number, since it is smaller than the sum of its proper divisors (73199478).

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

52285290 is a wasteful number, since it uses less digits than its factorization.

52285290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742853.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 52285290 is about 7230.8567957055. The cubic root of 52285290 is about 373.9324660963.

The spelling of 52285290 in words is "fifty-two million, two hundred eighty-five thousand, two hundred ninety".