55500500555 has 8 divisors (see below), whose sum is σ = 66603514992. Its totient is φ = 44398457568.

The previous prime is 55500500479. The next prime is 55500500557.

55500500555 is nontrivially palindromic in base 10.

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 55500500555 - 2¹⁶ = 55500435019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500500557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 110624 + ... + 351053.

It is an arithmetic number, because the mean of its divisors is an integer number (8325439374).

Almost surely, 2^55500500555 is an apocalyptic number.

55500500555 is a deficient number, since it is larger than the sum of its proper divisors (11103014437).

55500500555 is a wasteful number, since it uses less digits than its factorization.

55500500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485725.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55500500555 in words is "fifty-five billion, five hundred million, five hundred thousand, five hundred fifty-five".