555056505 has 24 divisors (see below), whose sum is σ = 967150080. Its totient is φ = 294475680.

The previous prime is 555056501. The next prime is 555056527. The reversal of 555056505 is 505650555.

555056505 is a `hidden beast` number, since 5 + 550 + 56 + 50 + 5 = 666.

It is not a de Polignac number, because 555056505 - 2² = 555056501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555056505.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23695 + ... + 40884.

It is an arithmetic number, because the mean of its divisors is an integer number (40297920).

Almost surely, 2^555056505 is an apocalyptic number.

It is an amenable number.

555056505 is a deficient number, since it is larger than the sum of its proper divisors (412093575).

555056505 is a wasteful number, since it uses less digits than its factorization.

555056505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64781 (or 64778 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 555056505 is about 23559.6372000929. The cubic root of 555056505 is about 821.8244647999.

The spelling of 555056505 in words is "five hundred fifty-five million, fifty-six thousand, five hundred five".