55605346563 has 32 divisors (see below), whose sum is σ = 84561212736. Its totient is φ = 32197828608.

The previous prime is 55605346561. The next prime is 55605346571. The reversal of 55605346563 is 36564350655.

It is not a de Polignac number, because 55605346563 - 2¹ = 55605346561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55605346561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3623595 + ... + 3638907.

It is an arithmetic number, because the mean of its divisors is an integer number (2642537898).

Almost surely, 2^55605346563 is an apocalyptic number.

55605346563 is a deficient number, since it is larger than the sum of its proper divisors (28955866173).

55605346563 is a wasteful number, since it uses less digits than its factorization.

55605346563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20823.

The product of its (nonzero) digits is 4860000, while the sum is 48.

The spelling of 55605346563 in words is "fifty-five billion, six hundred five million, three hundred forty-six thousand, five hundred sixty-three".