555505555493 has 8 divisors (see below), whose sum is σ = 634897306560. Its totient is φ = 476122258080.

The previous prime is 555505555441. The next prime is 555505555499. The reversal of 555505555493 is 394555505555.

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

It is not a de Polignac number, because 555505555493 - 2⁸ = 555505555237 is a prime.

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 (555505555499) 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, 1971968 + ... + 2235993.

It is an arithmetic number, because the mean of its divisors is an integer number (79362163320).

Almost surely, 2^555505555493 is an apocalyptic number.

It is an amenable number.

555505555493 is a deficient number, since it is larger than the sum of its proper divisors (79391751067).

555505555493 is a wasteful number, since it uses less digits than its factorization.

555505555493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226827.

The product of its (nonzero) digits is 42187500, while the sum is 56.

The spelling of 555505555493 in words is "five hundred fifty-five billion, five hundred five million, five hundred fifty-five thousand, four hundred ninety-three".