51022 has 8 divisors (see below), whose sum is σ = 77616. Its totient is φ = 25152.

The previous prime is 51001. The next prime is 51031. The reversal of 51022 is 22015.

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

It is a congruent number.

It is an unprimeable number.

51022 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, 63 + ... + 325.

It is an arithmetic number, because the mean of its divisors is an integer number (9702).

2⁵¹⁰²² is an apocalyptic number.

51022 is a deficient number, since it is larger than the sum of its proper divisors (26594).

51022 is a wasteful number, since it uses less digits than its factorization.

51022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 51022 is about 225.8804993796. The cubic root of 51022 is about 37.0896293088.

Adding to 51022 its reverse (22015), we get a palindrome (73037).

The spelling of 51022 in words is "fifty-one thousand, twenty-two".