56353395755520 has 320 divisors, whose sum is σ = 200215675376640. Its totient is φ = 15024290217984.

The previous prime is 56353395755507. The next prime is 56353395755539. The reversal of 56353395755520 is 2555759335365.

56353395755520 is a `hidden beast` number, since 5 + 6 + 3 + 5 + 3 + 3 + 9 + 5 + 75 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×56353395755520² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324984682 + ... + 325158038.

It is an arithmetic number, because the mean of its divisors is an integer number (625673985552).

Almost surely, 2^{56353395755520} 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 56353395755520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100107837688320).

56353395755520 is an abundant number, since it is smaller than the sum of its proper divisors (143862279621120).

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

56353395755520 is a wasteful number, since it uses less digits than its factorization.

56353395755520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178092 (or 178070 counting only the distinct ones).

The product of its (nonzero) digits is 318937500, while the sum is 63.

The spelling of 56353395755520 in words is "fifty-six trillion, three hundred fifty-three billion, three hundred ninety-five million, seven hundred fifty-five thousand, five hundred twenty".