55298819985 has 8 divisors (see below), whose sum is σ = 88478112000. Its totient is φ = 29492703984.

The previous prime is 55298819981. The next prime is 55298820043. The reversal of 55298819985 is 58991889255.

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

It is not a de Polignac number, because 55298819985 - 2² = 55298819981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55298819981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843293985 + ... + 1843294014.

It is an arithmetic number, because the mean of its divisors is an integer number (11059764000).

Almost surely, 2^55298819985 is an apocalyptic number.

It is an amenable number.

55298819985 is a deficient number, since it is larger than the sum of its proper divisors (33179292015).

55298819985 is a wasteful number, since it uses less digits than its factorization.

55298819985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686588007.

The product of its digits is 93312000, while the sum is 69.

The spelling of 55298819985 in words is "fifty-five billion, two hundred ninety-eight million, eight hundred nineteen thousand, nine hundred eighty-five".