505555061056 has 56 divisors (see below), whose sum is σ = 1048049581824. Its totient is φ = 241676067840.

The previous prime is 505555061047. The next prime is 505555061057. The reversal of 505555061056 is 650160555505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505555061057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370365 + ... + 1699708.

It is an arithmetic number, because the mean of its divisors is an integer number (18715171104).

Almost surely, 2^505555061056 is an apocalyptic number.

It is an amenable number.

505555061056 is an abundant number, since it is smaller than the sum of its proper divisors (542494520768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505555061056 is a wasteful number, since it uses less digits than its factorization.

505555061056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070199 (or 3070189 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 505555061056 in words is "five hundred five billion, five hundred fifty-five million, sixty-one thousand, fifty-six".