53064990720 has 768 divisors, whose sum is σ = 216410201280. Its totient is φ = 11777605632.

The previous prime is 53064990709. The next prime is 53064990749. The reversal of 53064990720 is 2709946035.

It is a happy number.

53064990720 is a `hidden beast` number, since 530 + 6 + 4 + 9 + 90 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a super-2 number, since 2×53064990720² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547061712 + ... + 547061808.

Almost surely, 2^53064990720 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 53064990720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108205100640).

53064990720 is an abundant number, since it is smaller than the sum of its proper divisors (163345210560).

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

53064990720 is an equidigital number, since it uses as much as digits as its factorization.

53064990720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 53064990720 in words is "fifty-three billion, sixty-four million, nine hundred ninety thousand, seven hundred twenty".