51853122 has 20 divisors (see below), whose sum is σ = 116189766. Its totient is φ = 17284320.

The previous prime is 51853103. The next prime is 51853181. The reversal of 51853122 is 22135815.

It is a happy number.

51853122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41873841 + 9979281 = 6471^2 + 3159^2 .

It is a super-2 number, since 2×51853122² = 5377492522293768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159879 + ... + 160202.

Almost surely, 2^51853122 is an apocalyptic number.

51853122 is an abundant number, since it is smaller than the sum of its proper divisors (64336644).

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

51853122 is a wasteful number, since it uses less digits than its factorization.

51853122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320095 (or 320086 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 51853122 is about 7200.9111923423. The cubic root of 51853122 is about 372.8993587895.

Adding to 51853122 its reverse (22135815), we get a palindrome (73988937).

The spelling of 51853122 in words is "fifty-one million, eight hundred fifty-three thousand, one hundred twenty-two".