53388707680 has 768 divisors, whose sum is σ = 174008217600. Its totient is φ = 14987427840.

The previous prime is 53388707623. The next prime is 53388707683. The reversal of 53388707680 is 8670788335.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53388707683) 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 127 ways as a sum of consecutive naturals, for example, 599873076 + ... + 599873164.

It is an arithmetic number, because the mean of its divisors is an integer number (226573200).

Almost surely, 2^53388707680 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 53388707680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87004108800).

53388707680 is an abundant number, since it is smaller than the sum of its proper divisors (120619509920).

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

53388707680 is a wasteful number, since it uses less digits than its factorization.

53388707680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 53388707680 in words is "fifty-three billion, three hundred eighty-eight million, seven hundred seven thousand, six hundred eighty".