51443022 has 16 divisors (see below), whose sum is σ = 103271760. Its totient is φ = 17083392.

The previous prime is 51443011. The next prime is 51443023. The reversal of 51443022 is 22034415.

51443022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51443022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51443023) 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 7 ways as a sum of consecutive naturals, for example, 14323 + ... + 17550.

It is an arithmetic number, because the mean of its divisors is an integer number (6454485).

Almost surely, 2^51443022 is an apocalyptic number.

51443022 is an abundant number, since it is smaller than the sum of its proper divisors (51828738).

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

51443022 is a wasteful number, since it uses less digits than its factorization.

51443022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32147.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 51443022 is about 7172.3791031986. The cubic root of 51443022 is about 371.9136838698.

Adding to 51443022 its reverse (22034415), we get a palindrome (73477437).

The spelling of 51443022 in words is "fifty-one million, four hundred forty-three thousand, twenty-two".