56156066 has 16 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 25573440.

The previous prime is 56156033. The next prime is 56156069. The reversal of 56156066 is 66065165.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56156069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25586 + ... + 27693.

It is an arithmetic number, because the mean of its divisors is an integer number (5754240).

Almost surely, 2^56156066 is an apocalyptic number.

56156066 is a deficient number, since it is larger than the sum of its proper divisors (35911774).

56156066 is a wasteful number, since it uses less digits than its factorization.

56156066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53329.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 56156066 is about 7493.7351167492. The cubic root of 56156066 is about 382.9413158525.

Subtracting 56156066 from its reverse (66065165), we obtain a palindrome (9909099).

The spelling of 56156066 in words is "fifty-six million, one hundred fifty-six thousand, sixty-six".