55188833883554 has 16 divisors (see below), whose sum is σ = 94610296541376. Its totient is φ = 23652140622000.

The previous prime is 55188833883553. The next prime is 55188833883581. The reversal of 55188833883554 is 45538833888155.

It is a happy number.

55188833883554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55188833883553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16476017 + ... + 19540644.

It is an arithmetic number, because the mean of its divisors is an integer number (5913143533836).

Almost surely, 2^{55188833883554} is an apocalyptic number.

55188833883554 is a deficient number, since it is larger than the sum of its proper divisors (39421462657822).

55188833883554 is a wasteful number, since it uses less digits than its factorization.

55188833883554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36126121.

The product of its digits is 2211840000, while the sum is 74.

The spelling of 55188833883554 in words is "fifty-five trillion, one hundred eighty-eight billion, eight hundred thirty-three million, eight hundred eighty-three thousand, five hundred fifty-four".