53503850 has 24 divisors (see below), whose sum is σ = 102210348. Its totient is φ = 20822400.

The previous prime is 53503847. The next prime is 53503859. The reversal of 53503850 is 5830535.

53503850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 37687321 + 15816529 = 6139^2 + 3977^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53503859) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12611 + ... + 16310.

Almost surely, 2^53503850 is an apocalyptic number.

53503850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53503850 is a deficient number, since it is larger than the sum of its proper divisors (48706498).

53503850 is a wasteful number, since it uses less digits than its factorization.

53503850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28970 (or 28965 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 53503850 is about 7314.6325950112. The cubic root of 53503850 is about 376.8151406039.

The spelling of 53503850 in words is "fifty-three million, five hundred three thousand, eight hundred fifty".