50555005489 has 4 divisors (see below), whose sum is σ = 50698221156. Its totient is φ = 50411789824.

The previous prime is 50555005481. The next prime is 50555005493. The reversal of 50555005489 is 98450055505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12517134400 + 38037871089 = 111880^2 + 195033^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555005489 - 2³ = 50555005481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555005481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71607304 + ... + 71608009.

It is an arithmetic number, because the mean of its divisors is an integer number (12674555289).

Almost surely, 2^50555005489 is an apocalyptic number.

It is an amenable number.

50555005489 is a deficient number, since it is larger than the sum of its proper divisors (143215667).

50555005489 is a wasteful number, since it uses less digits than its factorization.

50555005489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143215666.

The product of its (nonzero) digits is 900000, while the sum is 46.

The spelling of 50555005489 in words is "fifty billion, five hundred fifty-five million, five thousand, four hundred eighty-nine".