56755660963 has 4 divisors (see below), whose sum is σ = 58586488768. Its totient is φ = 54924833160.

The previous prime is 56755660909. The next prime is 56755660993. The reversal of 56755660963 is 36906655765.

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

It is a cyclic number.

It is not a de Polignac number, because 56755660963 - 2²⁵ = 56722106531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56755660898 and 56755660907.

It is not an unprimeable number, because it can be changed into a prime (56755660993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915413856 + ... + 915413917.

It is an arithmetic number, because the mean of its divisors is an integer number (14646622192).

Almost surely, 2^56755660963 is an apocalyptic number.

56755660963 is a deficient number, since it is larger than the sum of its proper divisors (1830827805).

56755660963 is a wasteful number, since it uses less digits than its factorization.

56755660963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830827804.

The product of its (nonzero) digits is 30618000, while the sum is 58.

The spelling of 56755660963 in words is "fifty-six billion, seven hundred fifty-five million, six hundred sixty thousand, nine hundred sixty-three".