51522 has 16 divisors (see below), whose sum is σ = 106752. Its totient is φ = 16560.

The previous prime is 51521. The next prime is 51539. The reversal of 51522 is 22515.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (51521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48 + ... + 324.

It is an arithmetic number, because the mean of its divisors is an integer number (6672).

2⁵¹⁵²² is an apocalyptic number.

51522 is an abundant number, since it is smaller than the sum of its proper divisors (55230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53376).

51522 is a wasteful number, since it uses less digits than its factorization.

51522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 100, while the sum is 15.

The square root of 51522 is about 226.9845809741. The cubic root of 51522 is about 37.2103913623.

The spelling of 51522 in words is "fifty-one thousand, five hundred twenty-two".