56413521606 has 16 divisors (see below), whose sum is σ = 121506046704. Its totient is φ = 17358006624.

The previous prime is 56413521587. The next prime is 56413521613. The reversal of 56413521606 is 60612531465.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361625061 + ... + 361625216.

It is an arithmetic number, because the mean of its divisors is an integer number (7594127919).

Almost surely, 2^56413521606 is an apocalyptic number.

56413521606 is an abundant number, since it is smaller than the sum of its proper divisors (65092525098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56413521606 is a wasteful number, since it uses less digits than its factorization.

56413521606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723250295.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 56413521606 in words is "fifty-six billion, four hundred thirteen million, five hundred twenty-one thousand, six hundred six".