55604349519 has 4 divisors (see below), whose sum is σ = 74139132696. Its totient is φ = 37069566344.

The previous prime is 55604349491. The next prime is 55604349539. The reversal of 55604349519 is 91594340655.

55604349519 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 55604349519 - 2⁵ = 55604349487 is a prime.

It is a super-2 number, since 2×55604349519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604349539) 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, 9267391584 + ... + 9267391589.

It is an arithmetic number, because the mean of its divisors is an integer number (18534783174).

Almost surely, 2^55604349519 is an apocalyptic number.

55604349519 is a deficient number, since it is larger than the sum of its proper divisors (18534783177).

55604349519 is a wasteful number, since it uses less digits than its factorization.

55604349519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18534783176.

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 55604349519 in words is "fifty-five billion, six hundred four million, three hundred forty-nine thousand, five hundred nineteen".