56550217206 has 32 divisors (see below), whose sum is σ = 129265970688. Its totient is φ = 16156163520.

The previous prime is 56550217151. The next prime is 56550217223. The reversal of 56550217206 is 60271205565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816426 + ... + 882978.

It is an arithmetic number, because the mean of its divisors is an integer number (4039561584).

Almost surely, 2^56550217206 is an apocalyptic number.

56550217206 is an abundant number, since it is smaller than the sum of its proper divisors (72715753482).

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

56550217206 is a wasteful number, since it uses less digits than its factorization.

56550217206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86796.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 56550217206 in words is "fifty-six billion, five hundred fifty million, two hundred seventeen thousand, two hundred six".