51568316 has 6 divisors (see below), whose sum is σ = 90244560. Its totient is φ = 25784156.

The previous prime is 51568303. The next prime is 51568331. The reversal of 51568316 is 61386515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6446036 + ... + 6446043.

It is an arithmetic number, because the mean of its divisors is an integer number (15040760).

Almost surely, 2^51568316 is an apocalyptic number.

It is an amenable number.

51568316 is a deficient number, since it is larger than the sum of its proper divisors (38676244).

51568316 is a wasteful number, since it uses less digits than its factorization.

51568316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12892083 (or 12892081 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 51568316 is about 7181.1082710122. The cubic root of 51568316 is about 372.2153818830.

The spelling of 51568316 in words is "fifty-one million, five hundred sixty-eight thousand, three hundred sixteen".