51838672 has 20 divisors (see below), whose sum is σ = 100702756. Its totient is φ = 25850880.

The previous prime is 51838663. The next prime is 51838723. The reversal of 51838672 is 27683815.

It can be written as a sum of positive squares in 2 ways, for example, as 26998416 + 24840256 = 5196^2 + 4984^2 .

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, 2272 + ... + 10432.

Almost surely, 2^51838672 is an apocalyptic number.

It is an amenable number.

51838672 is a deficient number, since it is larger than the sum of its proper divisors (48864084).

51838672 is a wasteful number, since it uses less digits than its factorization.

51838672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566 (or 8560 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 51838672 is about 7199.9077771871. The cubic root of 51838672 is about 372.8647167330.

The spelling of 51838672 in words is "fifty-one million, eight hundred thirty-eight thousand, six hundred seventy-two".