56845666850 has 36 divisors (see below), whose sum is σ = 122995466514. Its totient is φ = 19489942080.

The previous prime is 56845666777. The next prime is 56845666901. The reversal of 56845666850 is 5866654865.

It can be written as a sum of positive squares in 3 ways, for example, as 28099481641 + 28746185209 = 167629^2 + 169547^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56845666850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11598707 + ... + 11603606.

Almost surely, 2^56845666850 is an apocalyptic number.

56845666850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56845666850 is an abundant number, since it is smaller than the sum of its proper divisors (66149799664).

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

56845666850 is a wasteful number, since it uses less digits than its factorization.

56845666850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23202339 (or 23202327 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 59.

The spelling of 56845666850 in words is "fifty-six billion, eight hundred forty-five million, six hundred sixty-six thousand, eight hundred fifty".