53005250808 has 96 divisors (see below), whose sum is σ = 145074758400. Its totient is φ = 17482020864.

The previous prime is 53005250807. The next prime is 53005250813. The reversal of 53005250808 is 80805250035.

53005250808 is a `hidden beast` number, since 53 + 0 + 0 + 525 + 0 + 80 + 8 = 666.

It is a super-2 number, since 2×53005250808² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005250807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5014633 + ... + 5025191.

It is an arithmetic number, because the mean of its divisors is an integer number (1511195400).

Almost surely, 2^53005250808 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 53005250808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72537379200).

53005250808 is an abundant number, since it is smaller than the sum of its proper divisors (92069507592).

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

53005250808 is a wasteful number, since it uses less digits than its factorization.

53005250808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301 (or 11294 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 53005250808 in words is "fifty-three billion, five million, two hundred fifty thousand, eight hundred eight".