51040022 has 8 divisors (see below), whose sum is σ = 83520072. Its totient is φ = 23200000.

The previous prime is 51040021. The next prime is 51040037. The reversal of 51040022 is 22004015.

51040022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 51039979 and 51040006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159979 + ... + 1160022.

It is an arithmetic number, because the mean of its divisors is an integer number (10440009).

Almost surely, 2^51040022 is an apocalyptic number.

51040022 is a deficient number, since it is larger than the sum of its proper divisors (32480050).

51040022 is a wasteful number, since it uses less digits than its factorization.

51040022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320014.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 51040022 is about 7144.2299795009. The cubic root of 51040022 is about 370.9399572988.

Adding to 51040022 its reverse (22004015), we get a palindrome (73044037).

The spelling of 51040022 in words is "fifty-one million, forty thousand, twenty-two".