51430322 has 16 divisors (see below), whose sum is σ = 79434432. Its totient is φ = 24959760.

The previous prime is 51430319. The next prime is 51430349. The reversal of 51430322 is 22303415.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51430294 and 51430303.

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 7 ways as a sum of consecutive naturals, for example, 12572 + ... + 16152.

It is an arithmetic number, because the mean of its divisors is an integer number (4964652).

Almost surely, 2^51430322 is an apocalyptic number.

51430322 is a deficient number, since it is larger than the sum of its proper divisors (28004110).

51430322 is a wasteful number, since it uses less digits than its factorization.

51430322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 51430322 is about 7171.4937077292. The cubic root of 51430322 is about 371.8830759445.

Adding to 51430322 its reverse (22303415), we get a palindrome (73733737).

The spelling of 51430322 in words is "fifty-one million, four hundred thirty thousand, three hundred twenty-two".