53050500500 has 72 divisors (see below), whose sum is σ = 121119409320. Its totient is φ = 20297481600.

The previous prime is 53050500499. The next prime is 53050500511. The reversal of 53050500500 is 500505035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7218541444 + 45831959056 = 84962^2 + 214084^2 .

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164216 + ... + 364784.

Almost surely, 2^53050500500 is an apocalyptic number.

53050500500 is a gapful number since it is divisible by the number (50) 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 53050500500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60559704660).

53050500500 is an abundant number, since it is smaller than the sum of its proper divisors (68068908820).

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

53050500500 is a wasteful number, since it uses less digits than its factorization.

53050500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200634 (or 200599 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 23.

The spelling of 53050500500 in words is "fifty-three billion, fifty million, five hundred thousand, five hundred".