53489735850 has 192 divisors, whose sum is σ = 149994685440. Its totient is φ = 12543283200.

The previous prime is 53489735837. The next prime is 53489735857. The reversal of 53489735850 is 5853798435.

It is a happy number.

It is a super-2 number, since 2×53489735850² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53489735857) 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 95 ways as a sum of consecutive naturals, for example, 2280784 + ... + 2304116.

It is an arithmetic number, because the mean of its divisors is an integer number (781222320).

Almost surely, 2^53489735850 is an apocalyptic number.

53489735850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53489735850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74997342720).

53489735850 is an abundant number, since it is smaller than the sum of its proper divisors (96504949590).

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

53489735850 is a wasteful number, since it uses less digits than its factorization.

53489735850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23425 (or 23420 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 53489735850 in words is "fifty-three billion, four hundred eighty-nine million, seven hundred thirty-five thousand, eight hundred fifty".