555444455352231 has 16 divisors (see below), whose sum is σ = 779574621703040. Its totient is φ = 350805469099680.

The previous prime is 555444455352173. The next prime is 555444455352247. The reversal of 555444455352231 is 132253554444555.

It is not a de Polignac number, because 555444455352231 - 2¹⁰ = 555444455351207 is a prime.

It is a super-2 number, since 2×555444455352231² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555444455352431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8564245 + ... + 34412718.

It is an arithmetic number, because the mean of its divisors is an integer number (48723413856440).

Almost surely, 2^{555444455352231} is an apocalyptic number.

555444455352231 is a deficient number, since it is larger than the sum of its proper divisors (224130166350809).

555444455352231 is a wasteful number, since it uses less digits than its factorization.

555444455352231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43203726.

The product of its digits is 144000000, while the sum is 57.

The spelling of 555444455352231 in words is "five hundred fifty-five trillion, four hundred forty-four billion, four hundred fifty-five million, three hundred fifty-two thousand, two hundred thirty-one".