51854 has 8 divisors (see below), whose sum is σ = 84888. Its totient is φ = 23560.

The previous prime is 51853. The next prime is 51859. The reversal of 51854 is 45815.

51854 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (51853) 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, 1157 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (10611).

2⁵¹⁸⁵⁴ is an apocalyptic number.

51854 is a deficient number, since it is larger than the sum of its proper divisors (33034).

51854 is a wasteful number, since it uses less digits than its factorization.

51854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370.

The product of its digits is 800, while the sum is 23.

The square root of 51854 is about 227.7147338228. The cubic root of 51854 is about 37.2901463477.

It can be divided in two parts, 518 and 54, that multiplied together give a palindrome (27972).

The spelling of 51854 in words is "fifty-one thousand, eight hundred fifty-four".