56305315549620 has 144 divisors (see below), whose sum is σ = 171860126518080. Its totient is φ = 14920940026368.

The previous prime is 56305315549601. The next prime is 56305315549661. The reversal of 56305315549620 is 2694551350365.

56305315549620 is a `hidden beast` number, since 5 + 6 + 3 + 0 + 5 + 3 + 1 + 5 + 5 + 4 + 9 + 620 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269442136 + ... + 269651024.

It is an arithmetic number, because the mean of its divisors is an integer number (1193473100820).

Almost surely, 2^{56305315549620} 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 56305315549620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85930063259040).

56305315549620 is an abundant number, since it is smaller than the sum of its proper divisors (115554810968460).

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

56305315549620 is a wasteful number, since it uses less digits than its factorization.

56305315549620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218254 (or 218249 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 54.

Adding to 56305315549620 its reverse (2694551350365), we get a palindrome (58999866899985).

The spelling of 56305315549620 in words is "fifty-six trillion, three hundred five billion, three hundred fifteen million, five hundred forty-nine thousand, six hundred twenty".