51322552 has 32 divisors (see below), whose sum is σ = 100069200. Its totient is φ = 24655104.

The previous prime is 51322519. The next prime is 51322559. The reversal of 51322552 is 25522315.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51322559) 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, 23524 + ... + 25612.

Almost surely, 2^51322552 is an apocalyptic number.

It is an amenable number.

51322552 is a deficient number, since it is larger than the sum of its proper divisors (48746648).

51322552 is a wasteful number, since it uses less digits than its factorization.

51322552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 2211 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 51322552 is about 7163.9759910262. The cubic root of 51322552 is about 371.6231393678.

Adding to 51322552 its reverse (25522315), we get a palindrome (76844867).

The spelling of 51322552 in words is "fifty-one million, three hundred twenty-two thousand, five hundred fifty-two".