53105310720 has 880 divisors, whose sum is σ = 237399072768. Its totient is φ = 11028234240.

The previous prime is 53105310703. The next prime is 53105310737. The reversal of 53105310720 is 2701350135.

53105310720 is a `hidden beast` number, since 53 + 10 + 531 + 0 + 72 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (53105310703) and next prime (53105310737).

It is a tau number, because it is divible by the number of its divisors (880).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31932609 + ... + 31934271.

Almost surely, 2^53105310720 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 53105310720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118699536384).

53105310720 is an abundant number, since it is smaller than the sum of its proper divisors (184293762048).

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

53105310720 is a wasteful number, since it uses less digits than its factorization.

53105310720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

Adding to 53105310720 its reverse (2701350135), we get a palindrome (55806660855).

The spelling of 53105310720 in words is "fifty-three billion, one hundred five million, three hundred ten thousand, seven hundred twenty".