53382538664448 has 160 divisors (see below), whose sum is σ = 162703517201280. Its totient is φ = 15235942563840.

The previous prime is 53382538664423. The next prime is 53382538664449. The reversal of 53382538664448 is 84446683528335.

It is a super-2 number, since 2×53382538664448² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53382538664449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7479538 + ... + 12755726.

It is an arithmetic number, because the mean of its divisors is an integer number (1016896982508).

Almost surely, 2^{53382538664448} 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 53382538664448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81351758600640).

53382538664448 is an abundant number, since it is smaller than the sum of its proper divisors (109320978536832).

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

53382538664448 is an equidigital number, since it uses as much as digits as its factorization.

53382538664448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277158 (or 5277142 counting only the distinct ones).

The product of its digits is 1592524800, while the sum is 69.

The spelling of 53382538664448 in words is "fifty-three trillion, three hundred eighty-two billion, five hundred thirty-eight million, six hundred sixty-four thousand, four hundred forty-eight".