51673606 has 4 divisors (see below), whose sum is σ = 77510412. Its totient is φ = 25836802.

The previous prime is 51673553. The next prime is 51673607. The reversal of 51673606 is 60637615.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12918400 + ... + 12918403.

It is an arithmetic number, because the mean of its divisors is an integer number (19377603).

Almost surely, 2^51673606 is an apocalyptic number.

51673606 is a deficient number, since it is larger than the sum of its proper divisors (25836806).

51673606 is a wasteful number, since it uses less digits than its factorization.

51673606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25836805.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 51673606 is about 7188.4355738923. The cubic root of 51673606 is about 372.4685341948.

The spelling of 51673606 in words is "fifty-one million, six hundred seventy-three thousand, six hundred six".