556884461557 has 6 divisors (see below), whose sum is σ = 587736786678. Its totient is φ = 527574752712.

The previous prime is 556884461537. The next prime is 556884461593. The reversal of 556884461557 is 755164488655.

556884461557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 329704491601 + 227179969956 = 574199^2 + 476634^2 .

It is a de Polignac number, because none of the positive numbers 2^k-556884461557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556884461537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771307758 + ... + 771308479.

It is an arithmetic number, because the mean of its divisors is an integer number (97956131113).

Almost surely, 2^556884461557 is an apocalyptic number.

It is an amenable number.

556884461557 is a deficient number, since it is larger than the sum of its proper divisors (30852325121).

556884461557 is a wasteful number, since it uses less digits than its factorization.

556884461557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542616275 (or 1542616256 counting only the distinct ones).

The product of its digits is 161280000, while the sum is 64.

The spelling of 556884461557 in words is "five hundred fifty-six billion, eight hundred eighty-four million, four hundred sixty-one thousand, five hundred fifty-seven".