56550217207 has 12 divisors (see below), whose sum is σ = 62208042120. Its totient is φ = 51368316560.

The previous prime is 56550217151. The next prime is 56550217223. The reversal of 56550217207 is 70271205565.

It is not a de Polignac number, because 56550217207 - 2³⁵ = 22190478839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56550217207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56550217247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33268 + ... + 337945.

It is an arithmetic number, because the mean of its divisors is an integer number (5184003510).

Almost surely, 2^56550217207 is an apocalyptic number.

56550217207 is a deficient number, since it is larger than the sum of its proper divisors (5657824913).

56550217207 is a wasteful number, since it uses less digits than its factorization.

56550217207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372494 (or 372483 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 40.

The spelling of 56550217207 in words is "fifty-six billion, five hundred fifty million, two hundred seventeen thousand, two hundred seven".