51672903 has 8 divisors (see below), whose sum is σ = 69247728. Its totient is φ = 34273344.

The previous prime is 51672899. The next prime is 51672931. The reversal of 51672903 is 30927615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51672903 - 2² = 51672899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43126 + ... + 44307.

It is an arithmetic number, because the mean of its divisors is an integer number (8655966).

Almost surely, 2^51672903 is an apocalyptic number.

51672903 is a deficient number, since it is larger than the sum of its proper divisors (17574825).

51672903 is a wasteful number, since it uses less digits than its factorization.

51672903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87633.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 51672903 is about 7188.3866757430. The cubic root of 51672903 is about 372.4668450890.

The spelling of 51672903 in words is "fifty-one million, six hundred seventy-two thousand, nine hundred three".