55605560519 has 4 divisors (see below), whose sum is σ = 57108413544. Its totient is φ = 54102707496.

The previous prime is 55605560471. The next prime is 55605560557. The reversal of 55605560519 is 91506550655.

55605560519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55605560519 - 2¹⁶ = 55605494983 is a prime.

It is a super-4 number, since 4×55605560519⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605560819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751426457 + ... + 751426530.

It is an arithmetic number, because the mean of its divisors is an integer number (14277103386).

Almost surely, 2^55605560519 is an apocalyptic number.

55605560519 is a deficient number, since it is larger than the sum of its proper divisors (1502853025).

55605560519 is a wasteful number, since it uses less digits than its factorization.

55605560519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502853024.

The product of its (nonzero) digits is 1012500, while the sum is 47.

The spelling of 55605560519 in words is "fifty-five billion, six hundred five million, five hundred sixty thousand, five hundred nineteen".