56580477745 has 16 divisors (see below), whose sum is σ = 74901231360. Its totient is φ = 40687081600.

The previous prime is 56580477743. The next prime is 56580477787. The reversal of 56580477745 is 54777408565.

56580477745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56580477745 - 2¹ = 56580477743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56580477745.

It is not an unprimeable number, because it can be changed into a prime (56580477743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5774521 + ... + 5784310.

It is an arithmetic number, because the mean of its divisors is an integer number (4681326960).

Almost surely, 2^56580477745 is an apocalyptic number.

56580477745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56580477745 is a deficient number, since it is larger than the sum of its proper divisors (18320753615).

56580477745 is a wasteful number, since it uses less digits than its factorization.

56580477745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11558936.

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 56580477745 in words is "fifty-six billion, five hundred eighty million, four hundred seventy-seven thousand, seven hundred forty-five".