51610608 has 100 divisors (see below), whose sum is σ = 170745520. Its totient is φ = 14743296.

The previous prime is 51610607. The next prime is 51610613. The reversal of 51610608 is 80601615.

51610608 is a `hidden beast` number, since 51 + 6 + 1 + 0 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51610607) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6228 + ... + 11916.

Almost surely, 2^51610608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51610608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85372760).

51610608 is an abundant number, since it is smaller than the sum of its proper divisors (119134912).

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

51610608 is a wasteful number, since it uses less digits than its factorization.

51610608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716 (or 5701 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 51610608 is about 7184.0523383394. The cubic root of 51610608 is about 372.3171073400.

The spelling of 51610608 in words is "fifty-one million, six hundred ten thousand, six hundred eight".