555421423345 has 8 divisors (see below), whose sum is σ = 666516407976. Its totient is φ = 444330005376.

The previous prime is 555421423339. The next prime is 555421423399. The reversal of 555421423345 is 543324124555.

It can be written as a sum of positive squares in 4 ways, for example, as 35470825569 + 519950597776 = 188337^2 + 721076^2 .

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 555421423345 - 2⁷ = 555421423217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536182 + ... + 1182511.

It is an arithmetic number, because the mean of its divisors is an integer number (83314550997).

Almost surely, 2^555421423345 is an apocalyptic number.

It is an amenable number.

555421423345 is a deficient number, since it is larger than the sum of its proper divisors (111094984631).

555421423345 is a wasteful number, since it uses less digits than its factorization.

555421423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783331.

The product of its digits is 1440000, while the sum is 43.

The spelling of 555421423345 in words is "five hundred fifty-five billion, four hundred twenty-one million, four hundred twenty-three thousand, three hundred forty-five".