51146322 has 16 divisors (see below), whose sum is σ = 102814272. Its totient is φ = 16961840.

The previous prime is 51146317. The next prime is 51146323. The reversal of 51146322 is 22364115.

It is a junction number, because it is equal to n+sod(n) for n = 51146292 and 51146301.

It is not an unprimeable number, because it can be changed into a prime (51146323) 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, 20454 + ... + 22817.

It is an arithmetic number, because the mean of its divisors is an integer number (6425892).

Almost surely, 2^51146322 is an apocalyptic number.

51146322 is an abundant number, since it is smaller than the sum of its proper divisors (51667950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51146322 is a wasteful number, since it uses less digits than its factorization.

51146322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43473.

The product of its digits is 1440, while the sum is 24.

The square root of 51146322 is about 7151.6656801056. The cubic root of 51146322 is about 371.1972950609.

The spelling of 51146322 in words is "fifty-one million, one hundred forty-six thousand, three hundred twenty-two".