53506250 has 48 divisors (see below), whose sum is σ = 114742656. Its totient is φ = 18330000.

The previous prime is 53506213. The next prime is 53506283. The reversal of 53506250 is 5260535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43139 + ... + 44361.

It is an arithmetic number, because the mean of its divisors is an integer number (2390472).

Almost surely, 2^53506250 is an apocalyptic number.

53506250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53506250 is an abundant number, since it is smaller than the sum of its proper divisors (61236406).

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

53506250 is an equidigital number, since it uses as much as digits as its factorization.

53506250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 53506250 is about 7314.7966478912. The cubic root of 53506250 is about 376.8207747331.

Adding to 53506250 its reverse (5260535), we get a palindrome (58766785).

The spelling of 53506250 in words is "fifty-three million, five hundred six thousand, two hundred fifty".