51626122 has 16 divisors (see below), whose sum is σ = 80963712. Its totient is φ = 24642640.

The previous prime is 51626117. The next prime is 51626123. The reversal of 51626122 is 22162615.

It is not an unprimeable number, because it can be changed into a prime (51626123) 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, 37083 + ... + 38449.

It is an arithmetic number, because the mean of its divisors is an integer number (5060232).

Almost surely, 2^51626122 is an apocalyptic number.

51626122 is a deficient number, since it is larger than the sum of its proper divisors (29337590).

51626122 is a wasteful number, since it uses less digits than its factorization.

51626122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213.

The product of its digits is 1440, while the sum is 25.

The square root of 51626122 is about 7185.1320099216. The cubic root of 51626122 is about 372.3544094191.

Adding to 51626122 its reverse (22162615), we get a palindrome (73788737).

The spelling of 51626122 in words is "fifty-one million, six hundred twenty-six thousand, one hundred twenty-two".