55505004992366 has 32 divisors (see below), whose sum is σ = 85071421214208. Its totient is φ = 27154074467520.

The previous prime is 55505004992347. The next prime is 55505004992443. The reversal of 55505004992366 is 66329940050555.

It is a super-3 number, since 3×55505004992366³ (a number of 42 digits) contains 333 as substring.

It is a Curzon number.

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, 55486061 + ... + 56477543.

It is an arithmetic number, because the mean of its divisors is an integer number (2658481912944).

Almost surely, 2^{55505004992366} is an apocalyptic number.

55505004992366 is a deficient number, since it is larger than the sum of its proper divisors (29566416221842).

55505004992366 is a wasteful number, since it uses less digits than its factorization.

55505004992366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994616.

The product of its (nonzero) digits is 43740000, while the sum is 59.

The spelling of 55505004992366 in words is "fifty-five trillion, five hundred five billion, four million, nine hundred ninety-two thousand, three hundred sixty-six".