51794018 has 4 divisors (see below), whose sum is σ = 77691030. Its totient is φ = 25897008.

The previous prime is 51793993. The next prime is 51794021. The reversal of 51794018 is 81049715.

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., 33790969 + 18003049 = 5813^2 + 4243^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12948503 + ... + 12948506.

Almost surely, 2^51794018 is an apocalyptic number.

51794018 is a deficient number, since it is larger than the sum of its proper divisors (25897012).

51794018 is a wasteful number, since it uses less digits than its factorization.

51794018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25897011.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 51794018 is about 7196.8060971517. The cubic root of 51794018 is about 372.7576236853.

The spelling of 51794018 in words is "fifty-one million, seven hundred ninety-four thousand, eighteen".