56555152425506 has 48 divisors (see below), whose sum is σ = 99579122061624. Its totient is φ = 24017913432576.

The previous prime is 56555152425469. The next prime is 56555152425511. The reversal of 56555152425506 is 60552425155565.

It can be written as a sum of positive squares in 4 ways, for example, as 29048704399225 + 27506448026281 = 5389685^2 + 5244659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47842676 + ... + 49010528.

Almost surely, 2^{56555152425506} is an apocalyptic number.

56555152425506 is a deficient number, since it is larger than the sum of its proper divisors (43023969636118).

56555152425506 is a wasteful number, since it uses less digits than its factorization.

56555152425506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172355 (or 1172348 counting only the distinct ones).

The product of its (nonzero) digits is 45000000, while the sum is 56.

The spelling of 56555152425506 in words is "fifty-six trillion, five hundred fifty-five billion, one hundred fifty-two million, four hundred twenty-five thousand, five hundred six".