53653244 has 6 divisors (see below), whose sum is σ = 93893184. Its totient is φ = 26826620.

The previous prime is 53653213. The next prime is 53653247. The reversal of 53653244 is 44235635.

It is a self number, because there is not a number n which added to its sum of digits gives 53653244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53653247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706652 + ... + 6706659.

It is an arithmetic number, because the mean of its divisors is an integer number (15648864).

Almost surely, 2^53653244 is an apocalyptic number.

It is an amenable number.

53653244 is a deficient number, since it is larger than the sum of its proper divisors (40239940).

53653244 is a wasteful number, since it uses less digits than its factorization.

53653244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413315 (or 13413313 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 53653244 is about 7324.8374725996. The cubic root of 53653244 is about 377.1655303884.

Adding to 53653244 its reverse (44235635), we get a palindrome (97888879).

The spelling of 53653244 in words is "fifty-three million, six hundred fifty-three thousand, two hundred forty-four".