505545055564 has 24 divisors (see below), whose sum is σ = 891016156800. Its totient is φ = 250970438784.

The previous prime is 505545055559. The next prime is 505545055571. The reversal of 505545055564 is 465550545505.

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, 1248997 + ... + 1603459.

It is an arithmetic number, because the mean of its divisors is an integer number (37125673200).

Almost surely, 2^505545055564 is an apocalyptic number.

It is an amenable number.

505545055564 is a deficient number, since it is larger than the sum of its proper divisors (385471101236).

505545055564 is a wasteful number, since it uses less digits than its factorization.

505545055564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357009 (or 357007 counting only the distinct ones).

The product of its (nonzero) digits is 7500000, while the sum is 49.

The spelling of 505545055564 in words is "five hundred five billion, five hundred forty-five million, fifty-five thousand, five hundred sixty-four".