51162122 has 16 divisors (see below), whose sum is σ = 84279744. Its totient is φ = 23100000.

The previous prime is 51162109. The next prime is 51162151. The reversal of 51162122 is 22126115.

It is a junction number, because it is equal to n+sod(n) for n = 51162094 and 51162103.

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, 4379 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (5267484).

Almost surely, 2^51162122 is an apocalyptic number.

51162122 is a deficient number, since it is larger than the sum of its proper divisors (33117622).

51162122 is a wasteful number, since it uses less digits than its factorization.

51162122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15565.

The product of its digits is 240, while the sum is 20.

The square root of 51162122 is about 7152.7702325742. The cubic root of 51162122 is about 371.2355142538.

Adding to 51162122 its reverse (22126115), we get a palindrome (73288237).

The spelling of 51162122 in words is "fifty-one million, one hundred sixty-two thousand, one hundred twenty-two".