5655591873 has 12 divisors (see below), whose sum is σ = 8291117328. Its totient is φ = 3714119640.

The previous prime is 5655591811. The next prime is 5655591911. The reversal of 5655591873 is 3781955565.

5655591873 is a `hidden beast` number, since 5 + 6 + 5 + 559 + 1 + 87 + 3 = 666.

It is not a de Polignac number, because 5655591873 - 2²² = 5651397569 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5655191873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4688943 + ... + 4690148.

It is an arithmetic number, because the mean of its divisors is an integer number (690926444).

Almost surely, 2^5655591873 is an apocalyptic number.

It is an amenable number.

5655591873 is a deficient number, since it is larger than the sum of its proper divisors (2635525455).

5655591873 is a wasteful number, since it uses less digits than its factorization.

5655591873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379164 (or 9379161 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 54.

The square root of 5655591873 is about 75203.6692788324. The cubic root of 5655591873 is about 1781.6648851939.

The spelling of 5655591873 in words is "five billion, six hundred fifty-five million, five hundred ninety-one thousand, eight hundred seventy-three".