51365608 has 16 divisors (see below), whose sum is σ = 110069280. Its totient is φ = 22013808.

The previous prime is 51365593. The next prime is 51365621. The reversal of 51365608 is 80656315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458566 + ... + 458677.

It is an arithmetic number, because the mean of its divisors is an integer number (6879330).

Almost surely, 2^51365608 is an apocalyptic number.

It is an amenable number.

51365608 is an abundant number, since it is smaller than the sum of its proper divisors (58703672).

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

51365608 is a wasteful number, since it uses less digits than its factorization.

51365608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917256 (or 917252 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 51365608 is about 7166.9803962338. The cubic root of 51365608 is about 371.7270321848.

The spelling of 51365608 in words is "fifty-one million, three hundred sixty-five thousand, six hundred eight".