555056507 has 4 divisors (see below), whose sum is σ = 564155856. Its totient is φ = 545957160.

The previous prime is 555056501. The next prime is 555056527. The reversal of 555056507 is 705650555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 555056507 - 2¹⁰ = 555055483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555056501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4549583 + ... + 4549704.

It is an arithmetic number, because the mean of its divisors is an integer number (141038964).

Almost surely, 2^555056507 is an apocalyptic number.

555056507 is a deficient number, since it is larger than the sum of its proper divisors (9099349).

555056507 is an equidigital number, since it uses as much as digits as its factorization.

555056507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9099348.

The product of its (nonzero) digits is 131250, while the sum is 38.

The square root of 555056507 is about 23559.6372425383. The cubic root of 555056507 is about 821.8244657870.

The spelling of 555056507 in words is "five hundred fifty-five million, fifty-six thousand, five hundred seven".