51226 has 8 divisors (see below), whose sum is σ = 87840. Its totient is φ = 21948.

The previous prime is 51217. The next prime is 51229. The reversal of 51226 is 62215.

It is a happy number.

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

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (51229) 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, 1816 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (10980).

2⁵¹²²⁶ is an apocalyptic number.

51226 is a deficient number, since it is larger than the sum of its proper divisors (36614).

51226 is a wasteful number, since it uses less digits than its factorization.

51226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668.

The product of its digits is 120, while the sum is 16.

The square root of 51226 is about 226.3316151138. The cubic root of 51226 is about 37.1389950901.

The spelling of 51226 in words is "fifty-one thousand, two hundred twenty-six".