55556672289 has 8 divisors (see below), whose sum is σ = 76465097472. Its totient is φ = 35843014320.

The previous prime is 55556672287. The next prime is 55556672371. The reversal of 55556672289 is 98227665555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55556672289 - 2¹ = 55556672287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55556672287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298691694 + ... + 298691879.

It is an arithmetic number, because the mean of its divisors is an integer number (9558137184).

Almost surely, 2^55556672289 is an apocalyptic number.

It is an amenable number.

55556672289 is a deficient number, since it is larger than the sum of its proper divisors (20908425183).

55556672289 is a wasteful number, since it uses less digits than its factorization.

55556672289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597383607.

The product of its digits is 45360000, while the sum is 60.

The spelling of 55556672289 in words is "fifty-five billion, five hundred fifty-six million, six hundred seventy-two thousand, two hundred eighty-nine".