51641704 has 16 divisors (see below), whose sum is σ = 97788420. Its totient is φ = 25564800.

The previous prime is 51641683. The next prime is 51641713. The reversal of 51641704 is 40714615.

It can be written as a sum of positive squares in 2 ways, for example, as 46212804 + 5428900 = 6798^2 + 2330^2 .

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, 31149 + ... + 32764.

Almost surely, 2^51641704 is an apocalyptic number.

It is an amenable number.

51641704 is a deficient number, since it is larger than the sum of its proper divisors (46146716).

51641704 is a wasteful number, since it uses less digits than its factorization.

51641704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64020 (or 64016 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 51641704 is about 7186.2162505730. The cubic root of 51641704 is about 372.3918674768.

The spelling of 51641704 in words is "fifty-one million, six hundred forty-one thousand, seven hundred four".