53256543 has 8 divisors (see below), whose sum is σ = 73299456. Its totient is φ = 34359000.

The previous prime is 53256503. The next prime is 53256547. The reversal of 53256543 is 34565235.

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

It is not a de Polignac number, because 53256543 - 2⁶ = 53256479 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53256547) 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, 286233 + ... + 286418.

It is an arithmetic number, because the mean of its divisors is an integer number (9162432).

Almost surely, 2^53256543 is an apocalyptic number.

53256543 is a deficient number, since it is larger than the sum of its proper divisors (20042913).

53256543 is a wasteful number, since it uses less digits than its factorization.

53256543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572685.

The product of its digits is 54000, while the sum is 33.

The square root of 53256543 is about 7297.7080648653. The cubic root of 53256543 is about 376.2336686031.

It can be divided in two parts, 532 and 56543, that added together give a palindrome (57075).

The spelling of 53256543 in words is "fifty-three million, two hundred fifty-six thousand, five hundred forty-three".