55989386719 has 32 divisors (see below), whose sum is σ = 67459682304. Its totient is φ = 45457251840.

The previous prime is 55989386711. The next prime is 55989386731. The reversal of 55989386719 is 91768398955.

It is not a de Polignac number, because 55989386719 - 2³ = 55989386711 is a prime.

It is a super-2 number, since 2×55989386719² (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 (55989386711) 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, 4974312 + ... + 4985554.

It is an arithmetic number, because the mean of its divisors is an integer number (2108115072).

Almost surely, 2^55989386719 is an apocalyptic number.

55989386719 is a deficient number, since it is larger than the sum of its proper divisors (11470295585).

55989386719 is a wasteful number, since it uses less digits than its factorization.

55989386719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767.

The product of its digits is 146966400, while the sum is 70.

The spelling of 55989386719 in words is "fifty-five billion, nine hundred eighty-nine million, three hundred eighty-six thousand, seven hundred nineteen".