555556047919 has 2 divisors, whose sum is σ = 555556047920. Its totient is φ = 555556047918.

The previous prime is 555556047911. The next prime is 555556047941. The reversal of 555556047919 is 919740655555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555556047919 - 2³ = 555556047911 is a prime.

It is a super-2 number, since 2×555556047919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555556047911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277778023959 + 277778023960.

It is an arithmetic number, because the mean of its divisors is an integer number (277778023960).

Almost surely, 2^555556047919 is an apocalyptic number.

555556047919 is a deficient number, since it is larger than the sum of its proper divisors (1).

555556047919 is an equidigital number, since it uses as much as digits as its factorization.

555556047919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525000, while the sum is 61.

The spelling of 555556047919 in words is "five hundred fifty-five billion, five hundred fifty-six million, forty-seven thousand, nine hundred nineteen".