56605633573 has 8 divisors (see below), whose sum is σ = 56740505976. Its totient is φ = 56470814400.

The previous prime is 56605633561. The next prime is 56605633583. The reversal of 56605633573 is 37533650665.

It can be written as a sum of positive squares in 4 ways, for example, as 5485327969 + 51120305604 = 74063^2 + 226098^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56605633573 - 2²¹ = 56603536421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56605633583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2817303 + ... + 2837323.

It is an arithmetic number, because the mean of its divisors is an integer number (7092563247).

Almost surely, 2^56605633573 is an apocalyptic number.

It is an amenable number.

56605633573 is a deficient number, since it is larger than the sum of its proper divisors (134872403).

56605633573 is a wasteful number, since it uses less digits than its factorization.

56605633573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26615.

The product of its (nonzero) digits is 5103000, while the sum is 49.

The spelling of 56605633573 in words is "fifty-six billion, six hundred five million, six hundred thirty-three thousand, five hundred seventy-three".