55553500019 has 8 divisors (see below), whose sum is σ = 56266104000. Its totient is φ = 54841131072.

The previous prime is 55553500001. The next prime is 55553500021. The reversal of 55553500019 is 91000535555.

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 55553500019 - 2¹⁶ = 55553434483 is a prime.

It is a super-2 number, since 2×55553500019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55553500069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444437 + ... + 555545.

It is an arithmetic number, because the mean of its divisors is an integer number (7033263000).

Almost surely, 2^55553500019 is an apocalyptic number.

55553500019 is a deficient number, since it is larger than the sum of its proper divisors (712603981).

55553500019 is a wasteful number, since it uses less digits than its factorization.

55553500019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117517.

The product of its (nonzero) digits is 84375, while the sum is 38.

The spelling of 55553500019 in words is "fifty-five billion, five hundred fifty-three million, five hundred thousand, nineteen".