51418 has 8 divisors (see below), whose sum is σ = 78912. Its totient is φ = 25116.

The previous prime is 51413. The next prime is 51419. The reversal of 51418 is 81415.

51418 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 junction number, because it is equal to n+sod(n) for n = 51395 and 51404.

It is not an unprimeable number, because it can be changed into a prime (51413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180 + ... + 367.

It is an arithmetic number, because the mean of its divisors is an integer number (9864).

2⁵¹⁴¹⁸ is an apocalyptic number.

51418 is a deficient number, since it is larger than the sum of its proper divisors (27494).

51418 is a wasteful number, since it uses less digits than its factorization.

51418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 160, while the sum is 19.

The square root of 51418 is about 226.7553747985. The cubic root of 51418 is about 37.1853374210.

The spelling of 51418 in words is "fifty-one thousand, four hundred eighteen".