55085008473 has 40 divisors (see below), whose sum is σ = 90144109440. Its totient is φ = 33245039520.

The previous prime is 55085008471. The next prime is 55085008493. The reversal of 55085008473 is 37480058055.

55085008473 is a `hidden beast` number, since 550 + 8 + 50 + 0 + 8 + 47 + 3 = 666.

It is not a de Polignac number, because 55085008473 - 2¹ = 55085008471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55085008471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83611 + ... + 342287.

It is an arithmetic number, because the mean of its divisors is an integer number (2253602736).

Almost surely, 2^55085008473 is an apocalyptic number.

It is an amenable number.

55085008473 is a deficient number, since it is larger than the sum of its proper divisors (35059100967).

55085008473 is a wasteful number, since it uses less digits than its factorization.

55085008473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258939 (or 258930 counting only the distinct ones).

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

The spelling of 55085008473 in words is "fifty-five billion, eighty-five million, eight thousand, four hundred seventy-three".