55015510665 has 16 divisors (see below), whose sum is σ = 88274187648. Its totient is φ = 29258482176.

The previous prime is 55015510639. The next prime is 55015510679. The reversal of 55015510665 is 56601551055.

It is not a de Polignac number, because 55015510665 - 2⁵ = 55015510633 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 5189749 + ... + 5200338.

It is an arithmetic number, because the mean of its divisors is an integer number (5517136728).

Almost surely, 2^55015510665 is an apocalyptic number.

It is an amenable number.

55015510665 is a deficient number, since it is larger than the sum of its proper divisors (33258676983).

55015510665 is a wasteful number, since it uses less digits than its factorization.

55015510665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10390448.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 55015510665 in words is "fifty-five billion, fifteen million, five hundred ten thousand, six hundred sixty-five".