555506135449 has 8 divisors (see below), whose sum is σ = 608465138760. Its totient is φ = 504800706816.

The previous prime is 555506135417. The next prime is 555506135473. The reversal of 555506135449 is 944531605555.

It can be written as a sum of positive squares in 4 ways, for example, as 162211590025 + 393294545424 = 402755^2 + 627132^2 .

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 555506135449 - 2⁵ = 555506135417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555506135396 and 555506135405.

It is not an unprimeable number, because it can be changed into a prime (555506135549) 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, 563393154 + ... + 563394139.

It is an arithmetic number, because the mean of its divisors is an integer number (76058142345).

Almost surely, 2^555506135449 is an apocalyptic number.

It is an amenable number.

555506135449 is a deficient number, since it is larger than the sum of its proper divisors (52959003311).

555506135449 is a wasteful number, since it uses less digits than its factorization.

555506135449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126787339.

The product of its (nonzero) digits is 8100000, while the sum is 52.

The spelling of 555506135449 in words is "five hundred fifty-five billion, five hundred six million, one hundred thirty-five thousand, four hundred forty-nine".