55055049999 has 8 divisors (see below), whose sum is σ = 73414302000. Its totient is φ = 36699582336.

The previous prime is 55055049947. The next prime is 55055050003. The reversal of 55055049999 is 99994055055.

It is a happy number.

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

It is not a de Polignac number, because 55055049999 - 2⁹ = 55055049487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055049299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911962 + ... + 970455.

It is an arithmetic number, because the mean of its divisors is an integer number (9176787750).

Almost surely, 2^55055049999 is an apocalyptic number.

55055049999 is a deficient number, since it is larger than the sum of its proper divisors (18359252001).

55055049999 is a wasteful number, since it uses less digits than its factorization.

55055049999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892169.

The product of its (nonzero) digits is 16402500, while the sum is 60.

The spelling of 55055049999 in words is "fifty-five billion, fifty-five million, forty-nine thousand, nine hundred ninety-nine".