55543574673 has 12 divisors (see below), whose sum is σ = 80467682308. Its totient is φ = 36919169280.

The previous prime is 55543574657. The next prime is 55543574687. The reversal of 55543574673 is 37647534555.

55543574673 is a `hidden beast` number, since 5 + 5 + 5 + 4 + 3 + 574 + 67 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25915526289 + 29628048384 = 160983^2 + 172128^2 .

It is not a de Polignac number, because 55543574673 - 2⁴ = 55543574657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55543574473) 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 11 ways as a sum of consecutive naturals, for example, 9153508 + ... + 9159573.

Almost surely, 2^55543574673 is an apocalyptic number.

It is an amenable number.

55543574673 is a deficient number, since it is larger than the sum of its proper divisors (24924107635).

55543574673 is a wasteful number, since it uses less digits than its factorization.

55543574673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313424 (or 18313421 counting only the distinct ones).

The product of its digits is 26460000, while the sum is 54.

The spelling of 55543574673 in words is "fifty-five billion, five hundred forty-three million, five hundred seventy-four thousand, six hundred seventy-three".