51085016 has 16 divisors (see below), whose sum is σ = 98121240. Its totient is φ = 24919360.

The previous prime is 51085009. The next prime is 51085033. The reversal of 51085016 is 61058015.

It is a congruent number.

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, 77546 + ... + 78201.

Almost surely, 2^51085016 is an apocalyptic number.

It is an amenable number.

51085016 is a deficient number, since it is larger than the sum of its proper divisors (47036224).

51085016 is a wasteful number, since it uses less digits than its factorization.

51085016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155794 (or 155790 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 51085016 is about 7147.3782605932. The cubic root of 51085016 is about 371.0489251888.

The spelling of 51085016 in words is "fifty-one million, eighty-five thousand, sixteen".