53299290 has 48 divisors (see below), whose sum is σ = 140613984. Its totient is φ = 12920160.

The previous prime is 53299241. The next prime is 53299321. The reversal of 53299290 is 9299235.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3712 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (2929458).

Almost surely, 2^53299290 is an apocalyptic number.

53299290 is an abundant number, since it is smaller than the sum of its proper divisors (87314694).

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

53299290 is a wasteful number, since it uses less digits than its factorization.

53299290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14715 (or 14704 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 53299290 is about 7300.6362736408. The cubic root of 53299290 is about 376.3343044975.

The spelling of 53299290 in words is "fifty-three million, two hundred ninety-nine thousand, two hundred ninety".