55501015166 has 16 divisors (see below), whose sum is σ = 88166055744. Its totient is φ = 26112973824.

The previous prime is 55501015153. The next prime is 55501015201. The reversal of 55501015166 is 66151010555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16811 + ... + 333593.

It is an arithmetic number, because the mean of its divisors is an integer number (5510378484).

Almost surely, 2^55501015166 is an apocalyptic number.

55501015166 is a deficient number, since it is larger than the sum of its proper divisors (32665040578).

55501015166 is a wasteful number, since it uses less digits than its factorization.

55501015166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321955.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 55501015166 in words is "fifty-five billion, five hundred one million, fifteen thousand, one hundred sixty-six".