55711593599 has 4 divisors (see below), whose sum is σ = 55833501264. Its totient is φ = 55589685936.

The previous prime is 55711593583. The next prime is 55711593649. The reversal of 55711593599 is 99539511755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55711593599 - 2⁴ = 55711593583 is a prime.

It is a super-2 number, since 2×55711593599² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55711593199) 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, 60953147 + ... + 60954060.

It is an arithmetic number, because the mean of its divisors is an integer number (13958375316).

Almost surely, 2^55711593599 is an apocalyptic number.

55711593599 is a deficient number, since it is larger than the sum of its proper divisors (121907665).

55711593599 is a wasteful number, since it uses less digits than its factorization.

55711593599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121907664.

The product of its digits is 9568125, while the sum is 59.

The spelling of 55711593599 in words is "fifty-five billion, seven hundred eleven million, five hundred ninety-three thousand, five hundred ninety-nine".