55023866 has 24 divisors (see below), whose sum is σ = 91510560. Its totient is φ = 24761792.

The previous prime is 55023833. The next prime is 55023901. The reversal of 55023866 is 66832055.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11225 + ... + 15363.

It is an arithmetic number, because the mean of its divisors is an integer number (3812940).

Almost surely, 2^55023866 is an apocalyptic number.

55023866 is a deficient number, since it is larger than the sum of its proper divisors (36486694).

55023866 is a wasteful number, since it uses less digits than its factorization.

55023866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 55023866 is about 7417.8073579731. The cubic root of 55023866 is about 380.3502449481.

The spelling of 55023866 in words is "fifty-five million, twenty-three thousand, eight hundred sixty-six".