56558603761 has 8 divisors (see below), whose sum is σ = 64947679200. Its totient is φ = 48710759040.

The previous prime is 56558603753. The next prime is 56558603771. The reversal of 56558603761 is 16730685565.

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

It is not a de Polignac number, because 56558603761 - 2³ = 56558603753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56558603699 and 56558603708.

It is not an unprimeable number, because it can be changed into a prime (56558603771) 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, 135307456 + ... + 135307873.

It is an arithmetic number, because the mean of its divisors is an integer number (8118459900).

Almost surely, 2^56558603761 is an apocalyptic number.

It is an amenable number.

56558603761 is a deficient number, since it is larger than the sum of its proper divisors (8389075439).

56558603761 is a wasteful number, since it uses less digits than its factorization.

56558603761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270615359.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 56558603761 in words is "fifty-six billion, five hundred fifty-eight million, six hundred three thousand, seven hundred sixty-one".