51848194 has 4 divisors (see below), whose sum is σ = 77772294. Its totient is φ = 25924096.

The previous prime is 51848189. The next prime is 51848219. The reversal of 51848194 is 49184815.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49184815 = 5 ⋅9836963.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 13593969 = 6185^2 + 3687^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12962047 + ... + 12962050.

Almost surely, 2^51848194 is an apocalyptic number.

51848194 is a deficient number, since it is larger than the sum of its proper divisors (25924100).

51848194 is a wasteful number, since it uses less digits than its factorization.

51848194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25924099.

The product of its digits is 46080, while the sum is 40.

The square root of 51848194 is about 7200.5690052940. The cubic root of 51848194 is about 372.8875452529.

The spelling of 51848194 in words is "fifty-one million, eight hundred forty-eight thousand, one hundred ninety-four".