53203050 has 72 divisors (see below), whose sum is σ = 143919360. Its totient is φ = 14090400.

The previous prime is 53203049. The next prime is 53203067. The reversal of 53203050 is 5030235.

53203050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85641 + ... + 86259.

It is an arithmetic number, because the mean of its divisors is an integer number (1998880).

Almost surely, 2^53203050 is an apocalyptic number.

53203050 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 53203050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71959680).

53203050 is an abundant number, since it is smaller than the sum of its proper divisors (90716310).

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

53203050 is a wasteful number, since it uses less digits than its factorization.

53203050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 53203050 is about 7294.0420892671. The cubic root of 53203050 is about 376.1076583599.

Adding to 53203050 its reverse (5030235), we get a palindrome (58233285).

The spelling of 53203050 in words is "fifty-three million, two hundred three thousand, fifty".