55194226239 has 8 divisors (see below), whose sum is σ = 73675837872. Its totient is φ = 36754382720.

The previous prime is 55194226223. The next prime is 55194226259. The reversal of 55194226239 is 93262249155.

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 55194226239 - 2⁴ = 55194226223 is a prime.

It is a super-2 number, since 2×55194226239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55194226259) 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, 10438944 + ... + 10444229.

It is an arithmetic number, because the mean of its divisors is an integer number (9209479734).

Almost surely, 2^55194226239 is an apocalyptic number.

55194226239 is a deficient number, since it is larger than the sum of its proper divisors (18481611633).

55194226239 is a wasteful number, since it uses less digits than its factorization.

55194226239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20884057.

The product of its digits is 1166400, while the sum is 48.

The spelling of 55194226239 in words is "fifty-five billion, one hundred ninety-four million, two hundred twenty-six thousand, two hundred thirty-nine".