51355116 has 36 divisors (see below), whose sum is σ = 130416832. Its totient is φ = 17038944.

The previous prime is 51355097. The next prime is 51355151. The reversal of 51355116 is 61155315.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51355116.

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, 4830 + ... + 11226.

Almost surely, 2^51355116 is an apocalyptic number.

It is an amenable number.

51355116 is an abundant number, since it is smaller than the sum of its proper divisors (79061716).

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

51355116 is a wasteful number, since it uses less digits than its factorization.

51355116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630 (or 6625 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 51355116 is about 7166.2483908946. The cubic root of 51355116 is about 371.7017206599.

The spelling of 51355116 in words is "fifty-one million, three hundred fifty-five thousand, one hundred sixteen".