53513343 has 36 divisors (see below), whose sum is σ = 84616272. Its totient is φ = 32572800.

The previous prime is 53513333. The next prime is 53513351. The reversal of 53513343 is 34331535.

It is a happy number.

It is not a de Polignac number, because 53513343 - 2⁶ = 53513279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53513333) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 229555 + ... + 229787.

It is an arithmetic number, because the mean of its divisors is an integer number (2350452).

Almost surely, 2^53513343 is an apocalyptic number.

53513343 is a deficient number, since it is larger than the sum of its proper divisors (31102929).

53513343 is a wasteful number, since it uses less digits than its factorization.

53513343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 400 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 53513343 is about 7315.2814710030. The cubic root of 53513343 is about 376.8374249478.

Adding to 53513343 its reverse (34331535), we get a palindrome (87844878).

The spelling of 53513343 in words is "fifty-three million, five hundred thirteen thousand, three hundred forty-three".