577509055556 has 24 divisors (see below), whose sum is σ = 1090946646720. Its totient is φ = 266675844512.

The previous prime is 577509055523. The next prime is 577509055667. The reversal of 577509055556 is 655550905775.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 577509055495 and 577509055504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108226166 + ... + 108231501.

It is an arithmetic number, because the mean of its divisors is an integer number (45456110280).

Almost surely, 2^577509055556 is an apocalyptic number.

It is an amenable number.

577509055556 is a deficient number, since it is larger than the sum of its proper divisors (513437591164).

577509055556 is a wasteful number, since it uses less digits than its factorization.

577509055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216457723 (or 216457721 counting only the distinct ones).

The product of its (nonzero) digits is 41343750, while the sum is 59.

The spelling of 577509055556 in words is "five hundred seventy-seven billion, five hundred nine million, fifty-five thousand, five hundred fifty-six".