56655061633 has 4 divisors (see below), whose sum is σ = 56656815700. Its totient is φ = 56653307568.

The previous prime is 56655061607. The next prime is 56655061663. The reversal of 56655061633 is 33616055665.

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 29250576784 + 27404484849 = 171028^2 + 165543^2 .

It is a cyclic number.

It is not a de Polignac number, because 56655061633 - 2¹⁷ = 56654930561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56655061663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827658 + ... + 893491.

It is an arithmetic number, because the mean of its divisors is an integer number (14164203925).

Almost surely, 2^56655061633 is an apocalyptic number.

It is an amenable number.

56655061633 is a deficient number, since it is larger than the sum of its proper divisors (1754067).

56655061633 is a wasteful number, since it uses less digits than its factorization.

56655061633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754066.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 56655061633 in words is "fifty-six billion, six hundred fifty-five million, sixty-one thousand, six hundred thirty-three".