51608268 has 36 divisors (see below), whose sum is σ = 131808040. Its totient is φ = 17024256.

The previous prime is 51608261. The next prime is 51608281. The reversal of 51608268 is 86280615.

It is a happy number.

51608268 is a `hidden beast` number, since 516 + 0 + 82 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51608261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3898 + ... + 10881.

Almost surely, 2^51608268 is an apocalyptic number.

It is an amenable number.

51608268 is an abundant number, since it is smaller than the sum of its proper divisors (80199772).

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

51608268 is a wasteful number, since it uses less digits than its factorization.

51608268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14886 (or 14881 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 51608268 is about 7183.8894757645. The cubic root of 51608268 is about 372.3114803625.

The spelling of 51608268 in words is "fifty-one million, six hundred eight thousand, two hundred sixty-eight".