52270990 has 16 divisors (see below), whose sum is σ = 94610880. Its totient is φ = 20792160.

The previous prime is 52270979. The next prime is 52270997. The reversal of 52270990 is 9907225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12630 + ... + 16249.

It is an arithmetic number, because the mean of its divisors is an integer number (5913180).

Almost surely, 2^52270990 is an apocalyptic number.

52270990 is a deficient number, since it is larger than the sum of its proper divisors (42339890).

52270990 is a wasteful number, since it uses less digits than its factorization.

52270990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29067.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 52270990 is about 7229.8679102733. The cubic root of 52270990 is about 373.8983728754.

The spelling of 52270990 in words is "fifty-two million, two hundred seventy thousand, nine hundred ninety".