51423322 has 8 divisors (see below), whose sum is σ = 79794900. Its totient is φ = 24825024.

The previous prime is 51423319. The next prime is 51423341. The reversal of 51423322 is 22332415.

It can be written as a sum of positive squares in 2 ways, for example, as 51423241 + 81 = 7171^2 + 9^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 51423293 and 51423302.

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, 443247 + ... + 443362.

Almost surely, 2^51423322 is an apocalyptic number.

51423322 is a deficient number, since it is larger than the sum of its proper divisors (28371578).

51423322 is a wasteful number, since it uses less digits than its factorization.

51423322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886640.

The product of its digits is 1440, while the sum is 22.

The square root of 51423322 is about 7171.0056477456. The cubic root of 51423322 is about 371.8662032804.

Adding to 51423322 its reverse (22332415), we get a palindrome (73755737).

It can be divided in two parts, 5142 and 3322, that added together give a square (8464 = 92²).

The spelling of 51423322 in words is "fifty-one million, four hundred twenty-three thousand, three hundred twenty-two".