56613063304 has 64 divisors (see below), whose sum is σ = 125574082560. Its totient is φ = 23421000960.

The previous prime is 56613063289. The next prime is 56613063307. The reversal of 56613063304 is 40336031665.

It is a super-2 number, since 2×56613063304² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (56613063307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155574 + ... + 370714.

It is an arithmetic number, because the mean of its divisors is an integer number (1962095040).

Almost surely, 2^56613063304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56613063304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62787041280).

56613063304 is an abundant number, since it is smaller than the sum of its proper divisors (68961019256).

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

56613063304 is a wasteful number, since it uses less digits than its factorization.

56613063304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215318 (or 215314 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 56613063304 its reverse (40336031665), we get a palindrome (96949094969).

The spelling of 56613063304 in words is "fifty-six billion, six hundred thirteen million, sixty-three thousand, three hundred four".