51245322 has 16 divisors (see below), whose sum is σ = 104671872. Its totient is φ = 16718240.

The previous prime is 51245317. The next prime is 51245339. The reversal of 51245322 is 22354215.

It is a junction number, because it is equal to n+sod(n) for n = 51245292 and 51245301.

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, 90579 + ... + 91142.

It is an arithmetic number, because the mean of its divisors is an integer number (6541992).

Almost surely, 2^51245322 is an apocalyptic number.

51245322 is an abundant number, since it is smaller than the sum of its proper divisors (53426550).

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

51245322 is a wasteful number, since it uses less digits than its factorization.

51245322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181773.

The product of its digits is 2400, while the sum is 24.

The square root of 51245322 is about 7158.5837984898. The cubic root of 51245322 is about 371.4366400473.

Adding to 51245322 its reverse (22354215), we get a palindrome (73599537).

The spelling of 51245322 in words is "fifty-one million, two hundred forty-five thousand, three hundred twenty-two".