56580315573 has 4 divisors (see below), whose sum is σ = 75440420768. Its totient is φ = 37720210380.

The previous prime is 56580315557. The next prime is 56580315581. The reversal of 56580315573 is 37551308565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56580315573 - 2⁴ = 56580315557 is a prime.

It is a super-2 number, since 2×56580315573² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56580315503) 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, 9430052593 + ... + 9430052598.

It is an arithmetic number, because the mean of its divisors is an integer number (18860105192).

Almost surely, 2^56580315573 is an apocalyptic number.

It is an amenable number.

56580315573 is a deficient number, since it is larger than the sum of its proper divisors (18860105195).

56580315573 is a wasteful number, since it uses less digits than its factorization.

56580315573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18860105194.

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 56580315573 in words is "fifty-six billion, five hundred eighty million, three hundred fifteen thousand, five hundred seventy-three".