51418814 has 8 divisors (see below), whose sum is σ = 77516400. Its totient is φ = 25580016.

The previous prime is 51418793. The next prime is 51418817. The reversal of 51418814 is 41881415.

It is a happy number.

51418814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51418817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64199 + ... + 64994.

It is an arithmetic number, because the mean of its divisors is an integer number (9689550).

Almost surely, 2^51418814 is an apocalyptic number.

51418814 is a deficient number, since it is larger than the sum of its proper divisors (26097586).

51418814 is a wasteful number, since it uses less digits than its factorization.

51418814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129394.

The product of its digits is 5120, while the sum is 32.

The square root of 51418814 is about 7170.6913195312. The cubic root of 51418814 is about 371.8553364741.

The spelling of 51418814 in words is "fifty-one million, four hundred eighteen thousand, eight hundred fourteen".