56022066 has 24 divisors (see below), whose sum is σ = 126659520. Its totient is φ = 17861976.

The previous prime is 56022047. The next prime is 56022079. The reversal of 56022066 is 66022065.

56022066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 67246 + ... + 68073.

It is an arithmetic number, because the mean of its divisors is an integer number (5277480).

Almost surely, 2^56022066 is an apocalyptic number.

56022066 is an abundant number, since it is smaller than the sum of its proper divisors (70637454).

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

56022066 is a wasteful number, since it uses less digits than its factorization.

56022066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135350 (or 135347 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56022066 is about 7484.7889749812. The cubic root of 56022066 is about 382.6364808360.

Subtracting 56022066 from its reverse (66022065), we obtain a palindrome (9999999).

The spelling of 56022066 in words is "fifty-six million, twenty-two thousand, sixty-six".