505364055556 has 36 divisors (see below), whose sum is σ = 909137552400. Its totient is φ = 245798126496.

The previous prime is 505364055551. The next prime is 505364055569. The reversal of 505364055556 is 655550463505.

It is not an unprimeable number, because it can be changed into a prime (505364055551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36457755 + ... + 36471613.

It is an arithmetic number, because the mean of its divisors is an integer number (25253820900).

Almost surely, 2^505364055556 is an apocalyptic number.

It is an amenable number.

505364055556 is a deficient number, since it is larger than the sum of its proper divisors (403773496844).

505364055556 is a wasteful number, since it uses less digits than its factorization.

505364055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20596 (or 20557 counting only the distinct ones).

The product of its (nonzero) digits is 6750000, while the sum is 49.

The spelling of 505364055556 in words is "five hundred five billion, three hundred sixty-four million, fifty-five thousand, five hundred fifty-six".