53033850 has 72 divisors (see below), whose sum is σ = 144693120. Its totient is φ = 13923360.

The previous prime is 53033821. The next prime is 53033857. The reversal of 53033850 is 5833035.

It is not an unprimeable number, because it can be changed into a prime (53033857) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29271 + ... + 31029.

Almost surely, 2^53033850 is an apocalyptic number.

53033850 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 53033850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72346560).

53033850 is an abundant number, since it is smaller than the sum of its proper divisors (91659270).

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

53033850 is a wasteful number, since it uses less digits than its factorization.

53033850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1836 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 53033850 is about 7282.4343457391. The cubic root of 53033850 is about 375.7085271284.

Adding to 53033850 its reverse (5833035), we get a palindrome (58866885).

The spelling of 53033850 in words is "fifty-three million, thirty-three thousand, eight hundred fifty".