50550005554999 has 2 divisors, whose sum is σ = 50550005555000. Its totient is φ = 50550005554998.

The previous prime is 50550005554949. The next prime is 50550005555009. The reversal of 50550005554999 is 99945550005505.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50550005554999 - 2²¹ = 50550003457847 is a prime.

It is a super-2 number, since 2×50550005554999² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550005554949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275002777499 + 25275002777500.

It is an arithmetic number, because the mean of its divisors is an integer number (25275002777500).

Almost surely, 2^{50550005554999} is an apocalyptic number.

50550005554999 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550005554999 is an equidigital number, since it uses as much as digits as its factorization.

50550005554999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45562500, while the sum is 61.

The spelling of 50550005554999 in words is "fifty trillion, five hundred fifty billion, five million, five hundred fifty-four thousand, nine hundred ninety-nine".