55253085866 has 16 divisors (see below), whose sum is σ = 90417817728. Its totient is φ = 25114017600.

The previous prime is 55253085859. The next prime is 55253085871. The reversal of 55253085866 is 66858035255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876626 + ... + 937538.

It is an arithmetic number, because the mean of its divisors is an integer number (5651113608).

Almost surely, 2^55253085866 is an apocalyptic number.

55253085866 is a deficient number, since it is larger than the sum of its proper divisors (35164731862).

55253085866 is a wasteful number, since it uses less digits than its factorization.

55253085866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102157.

The product of its (nonzero) digits is 8640000, while the sum is 53.

The spelling of 55253085866 in words is "fifty-five billion, two hundred fifty-three million, eighty-five thousand, eight hundred sixty-six".