53445250 has 32 divisors (see below), whose sum is σ = 101492352. Its totient is φ = 21070000.

The previous prime is 53445247. The next prime is 53445269. The reversal of 53445250 is 5254435.

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 15 ways as a sum of consecutive naturals, for example, 16245 + ... + 19255.

It is an arithmetic number, because the mean of its divisors is an integer number (3171636).

Almost surely, 2^53445250 is an apocalyptic number.

53445250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53445250 is a deficient number, since it is larger than the sum of its proper divisors (48047102).

53445250 is a wasteful number, since it uses less digits than its factorization.

53445250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 53445250 is about 7310.6258282038. The cubic root of 53445250 is about 376.6775216370.

Adding to 53445250 its reverse (5254435), we get a palindrome (58699685).

The spelling of 53445250 in words is "fifty-three million, four hundred forty-five thousand, two hundred fifty".