55555673398 has 8 divisors (see below), whose sum is σ = 83336060808. Its totient is φ = 27776986464.

The previous prime is 55555673389. The next prime is 55555673461. The reversal of 55555673398 is 89337655555.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 340036 + ... + 476167.

It is an arithmetic number, because the mean of its divisors is an integer number (10417007601).

Almost surely, 2^55555673398 is an apocalyptic number.

55555673398 is a deficient number, since it is larger than the sum of its proper divisors (27780387410).

55555673398 is a wasteful number, since it uses less digits than its factorization.

55555673398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850238.

The product of its digits is 85050000, while the sum is 61.

The spelling of 55555673398 in words is "fifty-five billion, five hundred fifty-five million, six hundred seventy-three thousand, three hundred ninety-eight".