52230990 has 32 divisors (see below), whose sum is σ = 143262720. Its totient is φ = 11938464.

The previous prime is 52230979. The next prime is 52231009. The reversal of 52230990 is 9903225.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 124150 + ... + 124569.

It is an arithmetic number, because the mean of its divisors is an integer number (4476960).

Almost surely, 2^52230990 is an apocalyptic number.

52230990 is an abundant number, since it is smaller than the sum of its proper divisors (91031730).

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

52230990 is a wasteful number, since it uses less digits than its factorization.

52230990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248736.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 52230990 is about 7227.1010785792. The cubic root of 52230990 is about 373.8029741879.

The spelling of 52230990 in words is "fifty-two million, two hundred thirty thousand, nine hundred ninety".