51673039 has 16 divisors (see below), whose sum is σ = 58415904. Its totient is φ = 45302400.

The previous prime is 51673009. The next prime is 51673049. The reversal of 51673039 is 93037615.

It is not a de Polignac number, because 51673039 - 2⁵ = 51673007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51672995 and 51673013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34837 + ... + 36289.

It is an arithmetic number, because the mean of its divisors is an integer number (3650994).

Almost surely, 2^51673039 is an apocalyptic number.

51673039 is a deficient number, since it is larger than the sum of its proper divisors (6742865).

51673039 is a wasteful number, since it uses less digits than its factorization.

51673039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 51673039 is about 7188.3961354394. The cubic root of 51673039 is about 372.4671718589.

The spelling of 51673039 in words is "fifty-one million, six hundred seventy-three thousand, thirty-nine".