51456122 has 32 divisors (see below), whose sum is σ = 82422912. Its totient is φ = 24058944.

The previous prime is 51456113. The next prime is 51456137. The reversal of 51456122 is 22165415.

It is a junction number, because it is equal to n+sod(n) for n = 51456091 and 51456100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327668 + ... + 327824.

It is an arithmetic number, because the mean of its divisors is an integer number (2575716).

Almost surely, 2^51456122 is an apocalyptic number.

51456122 is a deficient number, since it is larger than the sum of its proper divisors (30966790).

51456122 is a wasteful number, since it uses less digits than its factorization.

51456122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 2400, while the sum is 26.

The square root of 51456122 is about 7173.2922706384. The cubic root of 51456122 is about 371.9452505467.

The spelling of 51456122 in words is "fifty-one million, four hundred fifty-six thousand, one hundred twenty-two".