57550005556 has 12 divisors (see below), whose sum is σ = 101144753892. Its totient is φ = 28651504448.

The previous prime is 57550005553. The next prime is 57550005571. The reversal of 57550005556 is 65550005575.

It can be written as a sum of positive squares in 2 ways, for example, as 16205290000 + 41344715556 = 127300^2 + 203334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57550005553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30873535 + ... + 30875398.

It is an arithmetic number, because the mean of its divisors is an integer number (8428729491).

Almost surely, 2^57550005556 is an apocalyptic number.

It is an amenable number.

57550005556 is a deficient number, since it is larger than the sum of its proper divisors (43594748336).

57550005556 is a wasteful number, since it uses less digits than its factorization.

57550005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61749170 (or 61749168 counting only the distinct ones).

The product of its (nonzero) digits is 656250, while the sum is 43.

The spelling of 57550005556 in words is "fifty-seven billion, five hundred fifty million, five thousand, five hundred fifty-six".