51934243 has 4 divisors (see below), whose sum is σ = 51955120. Its totient is φ = 51913368.

The previous prime is 51934229. The next prime is 51934261. The reversal of 51934243 is 34243915.

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

It is a cyclic number.

It is not a de Polignac number, because 51934243 - 2²⁵ = 18379811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51934283) 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 in 3 ways as a sum of consecutive naturals, for example, 6108 + ... + 11881.

It is an arithmetic number, because the mean of its divisors is an integer number (12988780).

Almost surely, 2^51934243 is an apocalyptic number.

51934243 is a deficient number, since it is larger than the sum of its proper divisors (20877).

51934243 is a wasteful number, since it uses less digits than its factorization.

51934243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20876.

The product of its digits is 12960, while the sum is 31.

The square root of 51934243 is about 7206.5416810007. The cubic root of 51934243 is about 373.0937167932.

The spelling of 51934243 in words is "fifty-one million, nine hundred thirty-four thousand, two hundred forty-three".