50505555549 has 8 divisors (see below), whose sum is σ = 69662835360. Its totient is φ = 32509323056.

The previous prime is 50505555533. The next prime is 50505555559. The reversal of 50505555549 is 94555550505.

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 50505555549 - 2⁴ = 50505555533 is a prime.

It is a super-2 number, since 2×50505555549² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50505555498 and 50505555507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505555509) 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, 290261727 + ... + 290261900.

It is an arithmetic number, because the mean of its divisors is an integer number (8707854420).

Almost surely, 2^50505555549 is an apocalyptic number.

It is an amenable number.

50505555549 is a deficient number, since it is larger than the sum of its proper divisors (19157279811).

50505555549 is a wasteful number, since it uses less digits than its factorization.

50505555549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580523659.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 50505555549 in words is "fifty billion, five hundred five million, five hundred fifty-five thousand, five hundred forty-nine".