53503155000 has 480 divisors, whose sum is σ = 189742512960. Its totient is φ = 13601280000.

The previous prime is 53503154993. The next prime is 53503155001. The reversal of 53503155000 is 55130535.

53503155000 is a `hidden beast` number, since 5 + 3 + 503 + 155 + 0 + 0 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503155001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 86714692 + ... + 86715308.

It is an arithmetic number, because the mean of its divisors is an integer number (395296902).

Almost surely, 2^53503155000 is an apocalyptic number.

53503155000 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 53503155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94871256480).

53503155000 is an abundant number, since it is smaller than the sum of its proper divisors (136239357960).

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

53503155000 is a wasteful number, since it uses less digits than its factorization.

53503155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

Adding to 53503155000 its reverse (55130535), we get a palindrome (53558285535).

The spelling of 53503155000 in words is "fifty-three billion, five hundred three million, one hundred fifty-five thousand".