655716717050 has 12 divisors (see below), whose sum is σ = 1219633093806. Its totient is φ = 262286686800.

The previous prime is 655716717031. The next prime is 655716717079. The reversal of 655716717050 is 50717617556.

655716717050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 388389457681 + 267327259369 = 623209^2 + 517037^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 13114334341 = 655716717050 / (6 + 5 + 5 + 7 + 1 + 6 + 7 + 1 + 7 + 0 + 5 + 0).

It is a self number, because there is not a number n which added to its sum of digits gives 655716717050.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6557167121 + ... + 6557167220.

Almost surely, 2^655716717050 is an apocalyptic number.

655716717050 is a deficient number, since it is larger than the sum of its proper divisors (563916376756).

655716717050 is a wasteful number, since it uses less digits than its factorization.

655716717050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13114334353 (or 13114334348 counting only the distinct ones).

The product of its (nonzero) digits is 1543500, while the sum is 50.

The spelling of 655716717050 in words is "six hundred fifty-five billion, seven hundred sixteen million, seven hundred seventeen thousand, fifty".