55550050509 has 8 divisors (see below), whose sum is σ = 74067877312. Its totient is φ = 37032795360.

The previous prime is 55550050483. The next prime is 55550050553. The reversal of 55550050509 is 90505005555.

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

It is not a de Polignac number, because 55550050509 - 2⁸ = 55550050253 is a prime.

It is a super-2 number, since 2×55550050509² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550050909) 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, 204432 + ... + 391014.

It is an arithmetic number, because the mean of its divisors is an integer number (9258484664).

Almost surely, 2^55550050509 is an apocalyptic number.

It is an amenable number.

55550050509 is a deficient number, since it is larger than the sum of its proper divisors (18517826803).

55550050509 is a wasteful number, since it uses less digits than its factorization.

55550050509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285827.

The product of its (nonzero) digits is 140625, while the sum is 39.

The spelling of 55550050509 in words is "fifty-five billion, five hundred fifty million, fifty thousand, five hundred nine".