51922790 has 16 divisors (see below), whose sum is σ = 93948768. Its totient is φ = 20660736.

The previous prime is 51922781. The next prime is 51922817. The reversal of 51922790 is 9722915.

It is a super-2 number, since 2×51922790² = 5391952242768200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51922790.

It is a congruent number.

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, 11522 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (5871798).

Almost surely, 2^51922790 is an apocalyptic number.

51922790 is a deficient number, since it is larger than the sum of its proper divisors (42025978).

51922790 is a wasteful number, since it uses less digits than its factorization.

51922790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27103.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 51922790 is about 7205.7470119343. The cubic root of 51922790 is about 373.0662887982.

The spelling of 51922790 in words is "fifty-one million, nine hundred twenty-two thousand, seven hundred ninety".