51394672 has 40 divisors (see below), whose sum is σ = 120501216. Its totient is φ = 20729856.

The previous prime is 51394669. The next prime is 51394697. The reversal of 51394672 is 27649315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11593 + ... + 15400.

Almost surely, 2^51394672 is an apocalyptic number.

It is an amenable number.

51394672 is an abundant number, since it is smaller than the sum of its proper divisors (69106544).

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

51394672 is a wasteful number, since it uses less digits than its factorization.

51394672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27025 (or 27019 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 51394672 is about 7169.0077416613. The cubic root of 51394672 is about 371.7971299137.

The spelling of 51394672 in words is "fifty-one million, three hundred ninety-four thousand, six hundred seventy-two".