51310022 has 8 divisors (see below), whose sum is σ = 79447872. Its totient is φ = 24827400.

The previous prime is 51310003. The next prime is 51310027. The reversal of 51310022 is 22001315.

It is a happy number.

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 = 51309979 and 51310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51310027) 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, 413729 + ... + 413852.

It is an arithmetic number, because the mean of its divisors is an integer number (9930984).

Almost surely, 2^51310022 is an apocalyptic number.

51310022 is a deficient number, since it is larger than the sum of its proper divisors (28137850).

51310022 is a wasteful number, since it uses less digits than its factorization.

51310022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827614.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51310022 is about 7163.1014232663. The cubic root of 51310022 is about 371.5928939445.

Adding to 51310022 its reverse (22001315), we get a palindrome (73311337).

The spelling of 51310022 in words is "fifty-one million, three hundred ten thousand, twenty-two".