51673337 has 4 divisors (see below), whose sum is σ = 51905280. Its totient is φ = 51441396.

The previous prime is 51673327. The next prime is 51673339. The reversal of 51673337 is 73337615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51673337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51673297 and 51673306.

It is not an unprimeable number, because it can be changed into a prime (51673339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115637 + ... + 116082.

It is an arithmetic number, because the mean of its divisors is an integer number (12976320).

Almost surely, 2^51673337 is an apocalyptic number.

It is an amenable number.

51673337 is a deficient number, since it is larger than the sum of its proper divisors (231943).

51673337 is a wasteful number, since it uses less digits than its factorization.

51673337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231942.

The product of its digits is 39690, while the sum is 35.

The square root of 51673337 is about 7188.4168632599. The cubic root of 51673337 is about 372.4678878673.

The spelling of 51673337 in words is "fifty-one million, six hundred seventy-three thousand, three hundred thirty-seven".