51314564 has 36 divisors (see below), whose sum is σ = 109013184. Its totient is φ = 21033936.

The previous prime is 51314531. The next prime is 51314621. The reversal of 51314564 is 46541315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (3028144).

Almost surely, 2^51314564 is an apocalyptic number.

It is an amenable number.

51314564 is an abundant number, since it is smaller than the sum of its proper divisors (57698620).

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

51314564 is a wasteful number, since it uses less digits than its factorization.

51314564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424 (or 11415 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 51314564 is about 7163.4184576918. The cubic root of 51314564 is about 371.6038581776.

Adding to 51314564 its reverse (46541315), we get a palindrome (97855879).

The spelling of 51314564 in words is "fifty-one million, three hundred fourteen thousand, five hundred sixty-four".