55120036644366 has 32 divisors (see below), whose sum is σ = 113327260741248. Its totient is φ = 17859759271200.

The previous prime is 55120036644317. The next prime is 55120036644443. The reversal of 55120036644366 is 66344663002155.

It is a congruent number.

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, 117886780 + ... + 118353423.

It is an arithmetic number, because the mean of its divisors is an integer number (3541476898164).

Almost surely, 2^{55120036644366} is an apocalyptic number.

55120036644366 is an abundant number, since it is smaller than the sum of its proper divisors (58207224096882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55120036644366 is a wasteful number, since it uses less digits than its factorization.

55120036644366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236241296.

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 55120036644366 in words is "fifty-five trillion, one hundred twenty billion, thirty-six million, six hundred forty-four thousand, three hundred sixty-six".