56606110775257 has 4 divisors (see below), whose sum is σ = 57986747623476. Its totient is φ = 55225473927040.

The previous prime is 56606110775243. The next prime is 56606110775327. The reversal of 56606110775257 is 75257701160665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13380495780096 + 43225614995161 = 3657936^2 + 6574619^2 .

It is a cyclic number.

It is not a de Polignac number, because 56606110775257 - 2⁴³ = 47810017753049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56606110175257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690318424048 + ... + 690318424129.

It is an arithmetic number, because the mean of its divisors is an integer number (14496686905869).

Almost surely, 2^{56606110775257} is an apocalyptic number.

It is an amenable number.

56606110775257 is a deficient number, since it is larger than the sum of its proper divisors (1380636848219).

56606110775257 is a wasteful number, since it uses less digits than its factorization.

56606110775257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380636848218.

The product of its (nonzero) digits is 18522000, while the sum is 58.

The spelling of 56606110775257 in words is "fifty-six trillion, six hundred six billion, one hundred ten million, seven hundred seventy-five thousand, two hundred fifty-seven".