55170557089 has 8 divisors (see below), whose sum is σ = 58317264000. Its totient is φ = 52048149552.

The previous prime is 55170557083. The next prime is 55170557107. The reversal of 55170557089 is 98075507155.

55170557089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55170557089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55170557083) 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, 6070174 + ... + 6079255.

It is an arithmetic number, because the mean of its divisors is an integer number (7289658000).

Almost surely, 2^55170557089 is an apocalyptic number.

It is an amenable number.

55170557089 is a deficient number, since it is larger than the sum of its proper divisors (3146706911).

55170557089 is a wasteful number, since it uses less digits than its factorization.

55170557089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12149687.

The product of its (nonzero) digits is 2205000, while the sum is 52.

The spelling of 55170557089 in words is "fifty-five billion, one hundred seventy million, five hundred fifty-seven thousand, eighty-nine".