51527222 has 8 divisors (see below), whose sum is σ = 80651376. Its totient is φ = 24643432.

The previous prime is 51527191. The next prime is 51527227. The reversal of 51527222 is 22272515.

51527222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51527191 and 51527200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51527227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 560033 + ... + 560124.

It is an arithmetic number, because the mean of its divisors is an integer number (10081422).

Almost surely, 2^51527222 is an apocalyptic number.

51527222 is a deficient number, since it is larger than the sum of its proper divisors (29124154).

51527222 is a wasteful number, since it uses less digits than its factorization.

51527222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120182.

The product of its digits is 2800, while the sum is 26.

The square root of 51527222 is about 7178.2464432478. The cubic root of 51527222 is about 372.1164846990.

Adding to 51527222 its reverse (22272515), we get a palindrome (73799737).

The spelling of 51527222 in words is "fifty-one million, five hundred twenty-seven thousand, two hundred twenty-two".