55205477450255 has 8 divisors (see below), whose sum is σ = 72268988662224. Its totient is φ = 40149438145600.

The previous prime is 55205477450239. The next prime is 55205477450257.

55205477450255 is nontrivially palindromic in base 10.

55205477450255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55205477450255 - 2⁴ = 55205477450239 is a prime.

It is a super-2 number, since 2×55205477450255² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55205477450255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55205477450257) 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, 501867976766 + ... + 501867976875.

It is an arithmetic number, because the mean of its divisors is an integer number (9033623582778).

Almost surely, 2^{55205477450255} is an apocalyptic number.

55205477450255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55205477450255 is a deficient number, since it is larger than the sum of its proper divisors (17063511211969).

55205477450255 is a wasteful number, since it uses less digits than its factorization.

55205477450255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003735953657.

The product of its (nonzero) digits is 49000000, while the sum is 56.

The spelling of 55205477450255 in words is "fifty-five trillion, two hundred five billion, four hundred seventy-seven million, four hundred fifty thousand, two hundred fifty-five".