53275543 has 4 divisors (see below), whose sum is σ = 53308600. Its totient is φ = 53242488.

The previous prime is 53275531. The next prime is 53275549. The reversal of 53275543 is 34557235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34557235 = 5 ⋅6911447.

It is a cyclic number.

It is not a de Polignac number, because 53275543 - 2¹⁷ = 53144471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53275499 and 53275508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53275549) 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, 13980 + ... + 17377.

It is an arithmetic number, because the mean of its divisors is an integer number (13327150).

Almost surely, 2^53275543 is an apocalyptic number.

53275543 is a deficient number, since it is larger than the sum of its proper divisors (33057).

53275543 is a wasteful number, since it uses less digits than its factorization.

53275543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33056.

The product of its digits is 63000, while the sum is 34.

The square root of 53275543 is about 7299.0097273534. The cubic root of 53275543 is about 376.2784054521.

The spelling of 53275543 in words is "fifty-three million, two hundred seventy-five thousand, five hundred forty-three".