55483804591 has 4 divisors (see below), whose sum is σ = 56774125672. Its totient is φ = 54193483512.

The previous prime is 55483804543. The next prime is 55483804603. The reversal of 55483804591 is 19540838455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19540838455 = 5 ⋅3908167691.

It is a cyclic number.

It is not a de Polignac number, because 55483804591 - 2²¹ = 55481707439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55483804091) 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 3 ways as a sum of consecutive naturals, for example, 645160476 + ... + 645160561.

It is an arithmetic number, because the mean of its divisors is an integer number (14193531418).

Almost surely, 2^55483804591 is an apocalyptic number.

55483804591 is a deficient number, since it is larger than the sum of its proper divisors (1290321081).

55483804591 is a wasteful number, since it uses less digits than its factorization.

55483804591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290321080.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 55483804591 in words is "fifty-five billion, four hundred eighty-three million, eight hundred four thousand, five hundred ninety-one".