53392290 has 32 divisors (see below), whose sum is σ = 146448000. Its totient is φ = 12203904.

The previous prime is 53392289. The next prime is 53392301. The reversal of 53392290 is 9229335.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126915 + ... + 127334.

It is an arithmetic number, because the mean of its divisors is an integer number (4576500).

Almost surely, 2^53392290 is an apocalyptic number.

53392290 is an abundant number, since it is smaller than the sum of its proper divisors (93055710).

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

53392290 is a wasteful number, since it uses less digits than its factorization.

53392290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254266.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 53392290 is about 7307.0028055284. The cubic root of 53392290 is about 376.5530613441.

The spelling of 53392290 in words is "fifty-three million, three hundred ninety-two thousand, two hundred ninety".