51552244 has 24 divisors (see below), whose sum is σ = 95278400. Its totient is φ = 24406488.

The previous prime is 51552217. The next prime is 51552317. The reversal of 51552244 is 44225515.

It is a super-2 number, since 2×51552244² = 5315267722871072, which contains 22 as substring.

It is a congruent number.

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, 26497 + ... + 28375.

Almost surely, 2^51552244 is an apocalyptic number.

It is an amenable number.

51552244 is a deficient number, since it is larger than the sum of its proper divisors (43726156).

51552244 is a wasteful number, since it uses less digits than its factorization.

51552244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1900 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 51552244 is about 7179.9891364820. The cubic root of 51552244 is about 372.1767091237.

Adding to 51552244 its reverse (44225515), we get a palindrome (95777759).

The spelling of 51552244 in words is "fifty-one million, five hundred fifty-two thousand, two hundred forty-four".