53145244 has 6 divisors (see below), whose sum is σ = 93004184. Its totient is φ = 26572620.

The previous prime is 53145217. The next prime is 53145251. The reversal of 53145244 is 44254135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643152 + ... + 6643159.

Almost surely, 2^53145244 is an apocalyptic number.

It is an amenable number.

53145244 is a deficient number, since it is larger than the sum of its proper divisors (39858940).

53145244 is a wasteful number, since it uses less digits than its factorization.

53145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13286315 (or 13286313 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 53145244 is about 7290.0784632266. The cubic root of 53145244 is about 375.9713932514.

Adding to 53145244 its reverse (44254135), we get a palindrome (97399379).

The spelling of 53145244 in words is "fifty-three million, one hundred forty-five thousand, two hundred forty-four".