53388866496 has 280 divisors, whose sum is σ = 165967989120. Its totient is φ = 15145299456.

The previous prime is 53388866473. The next prime is 53388866519. The reversal of 53388866496 is 69466888335.

It is a happy number.

53388866496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53388866473) and next prime (53388866519).

It is a super-2 number, since 2×53388866496² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82517245 + ... + 82517891.

Almost surely, 2^53388866496 is an apocalyptic number.

53388866496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53388866496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82983994560).

53388866496 is an abundant number, since it is smaller than the sum of its proper divisors (112579122624).

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

53388866496 is an equidigital number, since it uses as much as digits as its factorization.

53388866496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 838 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 66.

The spelling of 53388866496 in words is "fifty-three billion, three hundred eighty-eight million, eight hundred sixty-six thousand, four hundred ninety-six".