555505091005 has 4 divisors (see below), whose sum is σ = 666606109212. Its totient is φ = 444404072800.

The previous prime is 555505090981. The next prime is 555505091059. The reversal of 555505091005 is 500190505555.

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 260454060409 + 295051030596 = 510347^2 + 543186^2 .

It is not a de Polignac number, because 555505091005 - 2²¹ = 555502993853 is a prime.

It is a super-2 number, since 2×555505091005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55550509096 + ... + 55550509105.

It is an arithmetic number, because the mean of its divisors is an integer number (166651527303).

Almost surely, 2^555505091005 is an apocalyptic number.

It is an amenable number.

555505091005 is a deficient number, since it is larger than the sum of its proper divisors (111101018207).

555505091005 is a wasteful number, since it uses less digits than its factorization.

555505091005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111101018206.

The product of its (nonzero) digits is 140625, while the sum is 40.

The spelling of 555505091005 in words is "five hundred fifty-five billion, five hundred five million, ninety-one thousand, five".