51673396 has 6 divisors (see below), whose sum is σ = 90428450. Its totient is φ = 25836696.

The previous prime is 51673381. The next prime is 51673397. The reversal of 51673396 is 69337615.

It can be written as a sum of positive squares in only one way, i.e., 48302500 + 3370896 = 6950^2 + 1836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6459171 + ... + 6459178.

Almost surely, 2^51673396 is an apocalyptic number.

It is an amenable number.

51673396 is a deficient number, since it is larger than the sum of its proper divisors (38755054).

51673396 is a wasteful number, since it uses less digits than its factorization.

51673396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918353 (or 12918351 counting only the distinct ones).

The product of its digits is 102060, while the sum is 40.

The square root of 51673396 is about 7188.4209670831. The cubic root of 51673396 is about 372.4680296271.

The spelling of 51673396 in words is "fifty-one million, six hundred seventy-three thousand, three hundred ninety-six".