56558006457646 has 16 divisors (see below), whose sum is σ = 84870217699344. Its totient is φ = 28267935951744.

The previous prime is 56558006457613. The next prime is 56558006457683. The reversal of 56558006457646 is 64675460085565.

It is a super-2 number, since 2×56558006457646² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 54969601 + ... + 55989043.

It is an arithmetic number, because the mean of its divisors is an integer number (5304388606209).

Almost surely, 2^{56558006457646} is an apocalyptic number.

56558006457646 is a deficient number, since it is larger than the sum of its proper divisors (28312211241698).

56558006457646 is a wasteful number, since it uses less digits than its factorization.

56558006457646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030275.

The product of its (nonzero) digits is 725760000, while the sum is 67.

The spelling of 56558006457646 in words is "fifty-six trillion, five hundred fifty-eight billion, six million, four hundred fifty-seven thousand, six hundred forty-six".