55321038755777 has 16 divisors (see below), whose sum is σ = 57831536176128. Its totient is φ = 52819393611600.

The previous prime is 55321038755713. The next prime is 55321038755867. The reversal of 55321038755777 is 77755783012355.

It is a happy number.

55321038755777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55321038755777 - 2⁶ = 55321038755713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55321028755777) 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 15 ways as a sum of consecutive naturals, for example, 28529708 + ... + 30407010.

It is an arithmetic number, because the mean of its divisors is an integer number (3614471011008).

Almost surely, 2^{55321038755777} is an apocalyptic number.

It is an amenable number.

55321038755777 is a deficient number, since it is larger than the sum of its proper divisors (2510497420351).

55321038755777 is a wasteful number, since it uses less digits than its factorization.

55321038755777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879660.

The product of its (nonzero) digits is 216090000, while the sum is 65.

The spelling of 55321038755777 in words is "fifty-five trillion, three hundred twenty-one billion, thirty-eight million, seven hundred fifty-five thousand, seven hundred seventy-seven".