53018244 has 36 divisors (see below), whose sum is σ = 135214716. Its totient is φ = 17515008.

The previous prime is 53018219. The next prime is 53018281. The reversal of 53018244 is 44281035.

53018244 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 2 ways, for example, as 13176900 + 39841344 = 3630^2 + 6312^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 2449 + ... + 10584.

Almost surely, 2^53018244 is an apocalyptic number.

It is an amenable number.

53018244 is an abundant number, since it is smaller than the sum of its proper divisors (82196472).

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

53018244 is a wasteful number, since it uses less digits than its factorization.

53018244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13156 (or 13151 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 53018244 is about 7281.3627845342. The cubic root of 53018244 is about 375.6716709036.

Adding to 53018244 its reverse (44281035), we get a palindrome (97299279).

The spelling of 53018244 in words is "fifty-three million, eighteen thousand, two hundred forty-four".