57550022 has 12 divisors (see below), whose sum is σ = 88725420. Its totient is φ = 27995976.

The previous prime is 57550021. The next prime is 57550027. The reversal of 57550022 is 22005575.

57550022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57549973 and 57550000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57550021) 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 5 ways as a sum of consecutive naturals, for example, 7772 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (7393785).

Almost surely, 2^57550022 is an apocalyptic number.

57550022 is a deficient number, since it is larger than the sum of its proper divisors (31175398).

57550022 is a wasteful number, since it uses less digits than its factorization.

57550022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21095 (or 21058 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 57550022 is about 7586.1730800187. The cubic root of 57550022 is about 386.0840242330.

Adding to 57550022 its reverse (22005575), we get a palindrome (79555597).

The spelling of 57550022 in words is "fifty-seven million, five hundred fifty thousand, twenty-two".