53152543 has 4 divisors (see below), whose sum is σ = 53825440. Its totient is φ = 52479648.

The previous prime is 53152531. The next prime is 53152549. The reversal of 53152543 is 34525135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34525135 = 5 ⋅6905027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53152543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53152549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336330 + ... + 336487.

It is an arithmetic number, because the mean of its divisors is an integer number (13456360).

Almost surely, 2^53152543 is an apocalyptic number.

53152543 is a deficient number, since it is larger than the sum of its proper divisors (672897).

53152543 is an equidigital number, since it uses as much as digits as its factorization.

53152543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672896.

The product of its digits is 9000, while the sum is 28.

The square root of 53152543 is about 7290.5790579350. The cubic root of 53152543 is about 375.9886045098.

Adding to 53152543 its reverse (34525135), we get a palindrome (87677678).

The spelling of 53152543 in words is "fifty-three million, one hundred fifty-two thousand, five hundred forty-three".