51162022 has 8 divisors (see below), whose sum is σ = 80782200. Its totient is φ = 24234624.

The previous prime is 51162011. The next prime is 51162029. The reversal of 51162022 is 22026115.

51162022 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 Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51162029) 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, 673147 + ... + 673222.

It is an arithmetic number, because the mean of its divisors is an integer number (10097775).

Almost surely, 2^51162022 is an apocalyptic number.

51162022 is a deficient number, since it is larger than the sum of its proper divisors (29620178).

51162022 is a wasteful number, since it uses less digits than its factorization.

51162022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346390.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 51162022 is about 7152.7632422722. The cubic root of 51162022 is about 371.2352723849.

Adding to 51162022 its reverse (22026115), we get a palindrome (73188137).

The spelling of 51162022 in words is "fifty-one million, one hundred sixty-two thousand, twenty-two".