55374366655 has 16 divisors (see below), whose sum is σ = 67334103360. Its totient is φ = 43711633152.

The previous prime is 55374366617. The next prime is 55374366689. The reversal of 55374366655 is 55666347355.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55374366655 - 2²⁷ = 55240148927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55374366596 and 55374366605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88957 + ... + 344473.

It is an arithmetic number, because the mean of its divisors is an integer number (4208381460).

Almost surely, 2^55374366655 is an apocalyptic number.

55374366655 is a deficient number, since it is larger than the sum of its proper divisors (11959736705).

55374366655 is a wasteful number, since it uses less digits than its factorization.

55374366655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256098.

The product of its digits is 34020000, while the sum is 55.

The spelling of 55374366655 in words is "fifty-five billion, three hundred seventy-four million, three hundred sixty-six thousand, six hundred fifty-five".