55289010993 has 8 divisors (see below), whose sum is σ = 77598612000. Its totient is φ = 34919375328.

The previous prime is 55289010977. The next prime is 55289011079. The reversal of 55289010993 is 39901098255.

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

It is not a de Polignac number, because 55289010993 - 2⁴ = 55289010977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55289010913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484991268 + ... + 484991381.

It is an arithmetic number, because the mean of its divisors is an integer number (9699826500).

Almost surely, 2^55289010993 is an apocalyptic number.

It is an amenable number.

55289010993 is a deficient number, since it is larger than the sum of its proper divisors (22309601007).

55289010993 is a wasteful number, since it uses less digits than its factorization.

55289010993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969982671.

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 55289010993 in words is "fifty-five billion, two hundred eighty-nine million, ten thousand, nine hundred ninety-three".