51628922 has 16 divisors (see below), whose sum is σ = 79653672. Its totient is φ = 25082880.

The previous prime is 51628921. The next prime is 51628931. The reversal of 51628922 is 22982615.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33744481 + 17884441 = 5809^2 + 4229^2 .

It is not an unprimeable number, because it can be changed into a prime (51628921) 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, 21578 + ... + 23850.

Almost surely, 2^51628922 is an apocalyptic number.

51628922 is a deficient number, since it is larger than the sum of its proper divisors (28024750).

51628922 is a wasteful number, since it uses less digits than its factorization.

51628922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593.

The product of its digits is 17280, while the sum is 35.

The square root of 51628922 is about 7185.3268540826. The cubic root of 51628922 is about 372.3611409822.

The spelling of 51628922 in words is "fifty-one million, six hundred twenty-eight thousand, nine hundred twenty-two".