56305315549621 has 8 divisors (see below), whose sum is σ = 56329520601600. Its totient is φ = 56281113731040.

The previous prime is 56305315549601. The next prime is 56305315549661. The reversal of 56305315549621 is 12694551350365.

It is a happy number.

56305315549621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56305315549621 - 2¹¹ = 56305315547573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56305315549601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34354665 + ... + 35956273.

It is an arithmetic number, because the mean of its divisors is an integer number (7041190075200).

Almost surely, 2^{56305315549621} is an apocalyptic number.

It is an amenable number.

56305315549621 is a deficient number, since it is larger than the sum of its proper divisors (24205051979).

56305315549621 is a wasteful number, since it uses less digits than its factorization.

56305315549621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616699.

The product of its (nonzero) digits is 14580000, while the sum is 55.

Adding to 56305315549621 its reverse (12694551350365), we get a palindrome (68999866899986).

The spelling of 56305315549621 in words is "fifty-six trillion, three hundred five billion, three hundred fifteen million, five hundred forty-nine thousand, six hundred twenty-one".