53253143 has 4 divisors (see below), whose sum is σ = 56055960. Its totient is φ = 50450328.

The previous prime is 53253103. The next prime is 53253157. The reversal of 53253143 is 34135235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53253143 - 2⁸ = 53252887 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 (53253103) 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, 1401380 + ... + 1401417.

It is an arithmetic number, because the mean of its divisors is an integer number (14013990).

Almost surely, 2^53253143 is an apocalyptic number.

53253143 is a deficient number, since it is larger than the sum of its proper divisors (2802817).

53253143 is a wasteful number, since it uses less digits than its factorization.

53253143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802816.

The product of its digits is 5400, while the sum is 26.

The square root of 53253143 is about 7297.4751112971. The cubic root of 53253143 is about 376.2256619394.

Adding to 53253143 its reverse (34135235), we get a palindrome (87388378).

The spelling of 53253143 in words is "fifty-three million, two hundred fifty-three thousand, one hundred forty-three".