51670626 has 32 divisors (see below), whose sum is σ = 118385280. Its totient is φ = 14727936.

The previous prime is 51670603. The next prime is 51670631. The reversal of 51670626 is 62607615.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20170 + ... + 22586.

It is an arithmetic number, because the mean of its divisors is an integer number (3699540).

Almost surely, 2^51670626 is an apocalyptic number.

51670626 is an abundant number, since it is smaller than the sum of its proper divisors (66714654).

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

51670626 is a wasteful number, since it uses less digits than its factorization.

51670626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 51670626 is about 7188.2282935366. The cubic root of 51670626 is about 372.4613740109.

The spelling of 51670626 in words is "fifty-one million, six hundred seventy thousand, six hundred twenty-six".