53813344680 has 160 divisors (see below), whose sum is σ = 181246364640. Its totient is φ = 14320575360.

The previous prime is 53813344679. The next prime is 53813344729. The reversal of 53813344680 is 8644331835.

53813344680 is a `hidden beast` number, since 53 + 8 + 133 + 4 + 468 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1573927 + ... + 1607753.

It is an arithmetic number, because the mean of its divisors is an integer number (1132789779).

Almost surely, 2^53813344680 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 53813344680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90623182320).

53813344680 is an abundant number, since it is smaller than the sum of its proper divisors (127433019960).

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

53813344680 is a wasteful number, since it uses less digits than its factorization.

53813344680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34341 (or 34328 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 53813344680 in words is "fifty-three billion, eight hundred thirteen million, three hundred forty-four thousand, six hundred eighty".