51673005 has 16 divisors (see below), whose sum is σ = 91863360. Its totient is φ = 27558864.

The previous prime is 51673003. The next prime is 51673007. The reversal of 51673005 is 50037615.

It is an interprime number because it is at equal distance from previous prime (51673003) and next prime (51673007).

It is not a de Polignac number, because 51673005 - 2¹ = 51673003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 51673005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673003) 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, 191247 + ... + 191516.

It is an arithmetic number, because the mean of its divisors is an integer number (5741460).

Almost surely, 2^51673005 is an apocalyptic number.

It is an amenable number.

51673005 is a deficient number, since it is larger than the sum of its proper divisors (40190355).

51673005 is a wasteful number, since it uses less digits than its factorization.

51673005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382777 (or 382771 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 51673005 is about 7188.3937705165. The cubic root of 51673005 is about 372.4670901664.

The spelling of 51673005 in words is "fifty-one million, six hundred seventy-three thousand, five".