53113543 has 8 divisors (see below), whose sum is σ = 60746112. Its totient is φ = 45492216.

The previous prime is 53113523. The next prime is 53113547. The reversal of 53113543 is 34531135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-53113543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113547) 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, 14196 + ... + 17542.

It is an arithmetic number, because the mean of its divisors is an integer number (7593264).

Almost surely, 2^53113543 is an apocalyptic number.

53113543 is a deficient number, since it is larger than the sum of its proper divisors (7632569).

53113543 is a wasteful number, since it uses less digits than its factorization.

53113543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621.

The product of its digits is 2700, while the sum is 25.

The square root of 53113543 is about 7287.9038824617. The cubic root of 53113543 is about 375.8966230629.

Adding to 53113543 its reverse (34531135), we get a palindrome (87644678).

The spelling of 53113543 in words is "fifty-three million, one hundred thirteen thousand, five hundred forty-three".