51394 has 8 divisors (see below), whose sum is σ = 88128. Its totient is φ = 22020.

The previous prime is 51383. The next prime is 51407. The reversal of 51394 is 49315.

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

It is a plaindrome in base 12.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is an unprimeable number.

51394 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (11016).

2⁵¹³⁹⁴ is an apocalyptic number.

51394 is a deficient number, since it is larger than the sum of its proper divisors (36734).

51394 is a wasteful number, since it uses less digits than its factorization.

51394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680.

The product of its digits is 540, while the sum is 22.

The square root of 51394 is about 226.7024481562. The cubic root of 51394 is about 37.1795509455.

The spelling of 51394 in words is "fifty-one thousand, three hundred ninety-four".