55545250031055 has 24 divisors (see below), whose sum is σ = 96301135541520. Its totient is φ = 29617148071680.

The previous prime is 55545250031053. The next prime is 55545250031099. The reversal of 55545250031055 is 55013005254555.

55545250031055 is a `hidden beast` number, since 5 + 5 + 545 + 2 + 50 + 0 + 3 + 1 + 0 + 55 = 666.

55545250031055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55545250031055 - 2¹ = 55545250031053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55545250031055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55545250031053) 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 23 ways as a sum of consecutive naturals, for example, 145333665 + ... + 145715354.

It is an arithmetic number, because the mean of its divisors is an integer number (4012547314230).

Almost surely, 2^{55545250031055} is an apocalyptic number.

55545250031055 is a deficient number, since it is larger than the sum of its proper divisors (40755885510465).

55545250031055 is a wasteful number, since it uses less digits than its factorization.

55545250031055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291053271 (or 291053268 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

The spelling of 55545250031055 in words is "fifty-five trillion, five hundred forty-five billion, two hundred fifty million, thirty-one thousand, fifty-five".