55051060989 has 8 divisors (see below), whose sum is σ = 73404878400. Its totient is φ = 36698975456.

The previous prime is 55051060973. The next prime is 55051061027. The reversal of 55051060989 is 98906015055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55051060989 - 2⁴ = 55051060973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051060919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356889 + ... + 487310.

It is an arithmetic number, because the mean of its divisors is an integer number (9175609800).

Almost surely, 2^55051060989 is an apocalyptic number.

It is an amenable number.

55051060989 is a deficient number, since it is larger than the sum of its proper divisors (18353817411).

55051060989 is a wasteful number, since it uses less digits than its factorization.

55051060989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865939.

The product of its (nonzero) digits is 486000, while the sum is 48.

The spelling of 55051060989 in words is "fifty-five billion, fifty-one million, sixty thousand, nine hundred eighty-nine".