56580448551 has 16 divisors (see below), whose sum is σ = 82927075968. Its totient is φ = 34029413600.

The previous prime is 56580448537. The next prime is 56580448559. The reversal of 56580448551 is 15584408565.

It is a cyclic number.

It is not a de Polignac number, because 56580448551 - 2¹⁰ = 56580447527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56580448494 and 56580448503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56580448559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6539796 + ... + 6548441.

It is an arithmetic number, because the mean of its divisors is an integer number (5182942248).

Almost surely, 2^56580448551 is an apocalyptic number.

56580448551 is a deficient number, since it is larger than the sum of its proper divisors (26346627417).

56580448551 is a wasteful number, since it uses less digits than its factorization.

56580448551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13088382.

The product of its (nonzero) digits is 3840000, while the sum is 51.

The spelling of 56580448551 in words is "fifty-six billion, five hundred eighty million, four hundred forty-eight thousand, five hundred fifty-one".