56033066 has 4 divisors (see below), whose sum is σ = 84049602. Its totient is φ = 28016532.

The previous prime is 56033063. The next prime is 56033077. The reversal of 56033066 is 66033065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53071225 + 2961841 = 7285^2 + 1721^2 .

It is not an unprimeable number, because it can be changed into a prime (56033063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14008265 + ... + 14008268.

Almost surely, 2^56033066 is an apocalyptic number.

56033066 is a deficient number, since it is larger than the sum of its proper divisors (28016536).

56033066 is a wasteful number, since it uses less digits than its factorization.

56033066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28016535.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 56033066 is about 7485.5237625700. The cubic root of 56033066 is about 382.6615229081.

Subtracting 56033066 from its reverse (66033065), we obtain a palindrome (9999999).

The spelling of 56033066 in words is "fifty-six million, thirty-three thousand, sixty-six".