51848218 has 8 divisors (see below), whose sum is σ = 78933312. Its totient is φ = 25537116.

The previous prime is 51848189. The next prime is 51848219. The reversal of 51848218 is 81284815.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (51848219) 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, 193330 + ... + 193597.

It is an arithmetic number, because the mean of its divisors is an integer number (9866664).

Almost surely, 2^51848218 is an apocalyptic number.

51848218 is a deficient number, since it is larger than the sum of its proper divisors (27085094).

51848218 is a wasteful number, since it uses less digits than its factorization.

51848218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386996.

The product of its digits is 20480, while the sum is 37.

The square root of 51848218 is about 7200.5706718287. The cubic root of 51848218 is about 372.8876027882.

The spelling of 51848218 in words is "fifty-one million, eight hundred forty-eight thousand, two hundred eighteen".