51934018 has 4 divisors (see below), whose sum is σ = 77901030. Its totient is φ = 25967008.

The previous prime is 51933989. The next prime is 51934027. The reversal of 51934018 is 81043915.

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

It can be written as a sum of positive squares in only one way, i.e., 47238129 + 4695889 = 6873^2 + 2167^2 .

It is an unprimeable number.

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, 12983503 + ... + 12983506.

Almost surely, 2^51934018 is an apocalyptic number.

51934018 is a deficient number, since it is larger than the sum of its proper divisors (25967012).

51934018 is a wasteful number, since it uses less digits than its factorization.

51934018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25967011.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 51934018 is about 7206.5260701672. The cubic root of 51934018 is about 373.0931779952.

The spelling of 51934018 in words is "fifty-one million, nine hundred thirty-four thousand, eighteen".