53240344 has 32 divisors (see below), whose sum is σ = 102816000. Its totient is φ = 25835040.

The previous prime is 53240339. The next prime is 53240347. The reversal of 53240344 is 44304235.

It is a super-3 number, since 3×53240344³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37357 + ... + 38755.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 2^53240344 is an apocalyptic number.

It is an amenable number.

53240344 is a deficient number, since it is larger than the sum of its proper divisors (49575656).

53240344 is a wasteful number, since it uses less digits than its factorization.

53240344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 53240344 is about 7296.5981114489. The cubic root of 53240344 is about 376.1955185037.

Adding to 53240344 its reverse (44304235), we get a palindrome (97544579).

The spelling of 53240344 in words is "fifty-three million, two hundred forty thousand, three hundred forty-four".