53502244 has 6 divisors (see below), whose sum is σ = 93628934. Its totient is φ = 26751120.

The previous prime is 53502221. The next prime is 53502257. The reversal of 53502244 is 44220535.

It can be written as a sum of positive squares in only one way, i.e., 27878400 + 25623844 = 5280^2 + 5062^2 .

It is a super-2 number, since 2×53502244² = 5724980226071072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687777 + ... + 6687784.

Almost surely, 2^53502244 is an apocalyptic number.

It is an amenable number.

53502244 is a deficient number, since it is larger than the sum of its proper divisors (40126690).

53502244 is a wasteful number, since it uses less digits than its factorization.

53502244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375565 (or 13375563 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 53502244 is about 7314.5228142374. The cubic root of 53502244 is about 376.8113703383.

Adding to 53502244 its reverse (44220535), we get a palindrome (97722779).

The spelling of 53502244 in words is "fifty-three million, five hundred two thousand, two hundred forty-four".