55774534373665 has 16 divisors (see below), whose sum is σ = 67555453723200. Its totient is φ = 44202292068160.

The previous prime is 55774534373653. The next prime is 55774534373687. The reversal of 55774534373665 is 56637343547755.

It is not a de Polignac number, because 55774534373665 - 2⁹ = 55774534373153 is a prime.

It is a super-2 number, since 2×55774534373665² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55774534373594 and 55774534373603.

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 15 ways as a sum of consecutive naturals, for example, 91894611 + ... + 92499559.

It is an arithmetic number, because the mean of its divisors is an integer number (4222215857700).

Almost surely, 2^{55774534373665} is an apocalyptic number.

It is an amenable number.

55774534373665 is a deficient number, since it is larger than the sum of its proper divisors (11780919349535).

55774534373665 is a wasteful number, since it uses less digits than its factorization.

55774534373665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777392.

The product of its digits is 3333960000, while the sum is 70.

The spelling of 55774534373665 in words is "fifty-five trillion, seven hundred seventy-four billion, five hundred thirty-four million, three hundred seventy-three thousand, six hundred sixty-five".