55480300785 has 224 divisors, whose sum is σ = 130093931520. Its totient is φ = 22032082944.

The previous prime is 55480300781. The next prime is 55480300801. The reversal of 55480300785 is 58700308455.

55480300785 is a `hidden beast` number, since 5 + 548 + 0 + 30 + 0 + 78 + 5 = 666.

It is not a de Polignac number, because 55480300785 - 2² = 55480300781 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 55480300785.

It is not an unprimeable number, because it can be changed into a prime (55480300781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 5633896 + ... + 5643734.

It is an arithmetic number, because the mean of its divisors is an integer number (580776480).

Almost surely, 2^55480300785 is an apocalyptic number.

It is an amenable number.

55480300785 is an abundant number, since it is smaller than the sum of its proper divisors (74613630735).

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

55480300785 is a wasteful number, since it uses less digits than its factorization.

55480300785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899 (or 9884 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 55480300785 in words is "fifty-five billion, four hundred eighty million, three hundred thousand, seven hundred eighty-five".