51662 has 8 divisors (see below), whose sum is σ = 83496. Its totient is φ = 23832.

The previous prime is 51659. The next prime is 51673. The reversal of 51662 is 26615.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 1019.

It is an arithmetic number, because the mean of its divisors is an integer number (10437).

2⁵¹⁶⁶² is an apocalyptic number.

51662 is a deficient number, since it is larger than the sum of its proper divisors (31834).

51662 is a wasteful number, since it uses less digits than its factorization.

51662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002.

The product of its digits is 360, while the sum is 20.

The square root of 51662 is about 227.2927627532. The cubic root of 51662 is about 37.2440646369.

The spelling of 51662 in words is "fifty-one thousand, six hundred sixty-two".