55823866 has 16 divisors (see below), whose sum is σ = 96454656. Its totient is φ = 23735376.

The previous prime is 55823809. The next prime is 55823897. The reversal of 55823866 is 66832855.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 13921 + ... + 17476.

It is an arithmetic number, because the mean of its divisors is an integer number (6028416).

Almost surely, 2^55823866 is an apocalyptic number.

55823866 is a deficient number, since it is larger than the sum of its proper divisors (40630790).

55823866 is a wasteful number, since it uses less digits than its factorization.

55823866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31533.

The product of its digits is 345600, while the sum is 43.

The square root of 55823866 is about 7471.5370573932. The cubic root of 55823866 is about 382.1847055011.

The spelling of 55823866 in words is "fifty-five million, eight hundred twenty-three thousand, eight hundred sixty-six".