56555665460075 has 12 divisors (see below), whose sum is σ = 73178113222128. Its totient is φ = 43277378786400.

The previous prime is 56555665459987. The next prime is 56555665460089. The reversal of 56555665460075 is 57006456655565.

It is not a de Polignac number, because 56555665460075 - 2³⁸ = 56280787553131 is a prime.

It is a super-2 number, since 2×56555665460075² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56555665459993 and 56555665460020.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49178838956 + ... + 49178840105.

It is an arithmetic number, because the mean of its divisors is an integer number (6098176101844).

Almost surely, 2^{56555665460075} is an apocalyptic number.

56555665460075 is a deficient number, since it is larger than the sum of its proper divisors (16622447762053).

56555665460075 is a wasteful number, since it uses less digits than its factorization.

56555665460075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98357679094 (or 98357679089 counting only the distinct ones).

The product of its (nonzero) digits is 567000000, while the sum is 65.

The spelling of 56555665460075 in words is "fifty-six trillion, five hundred fifty-five billion, six hundred sixty-five million, four hundred sixty thousand, seventy-five".