53433249 has 4 divisors (see below), whose sum is σ = 71244336. Its totient is φ = 35622164.

The previous prime is 53433241. The next prime is 53433269. The reversal of 53433249 is 94233435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53433249 - 2³ = 53433241 is a prime.

It is a super-2 number, since 2×53433249² = 5710224197392002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53433241) 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, 8905539 + ... + 8905544.

It is an arithmetic number, because the mean of its divisors is an integer number (17811084).

Almost surely, 2^53433249 is an apocalyptic number.

It is an amenable number.

53433249 is a deficient number, since it is larger than the sum of its proper divisors (17811087).

53433249 is a wasteful number, since it uses less digits than its factorization.

53433249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17811086.

The product of its digits is 38880, while the sum is 33.

The square root of 53433249 is about 7309.8049905589. The cubic root of 53433249 is about 376.6493255215.

The spelling of 53433249 in words is "fifty-three million, four hundred thirty-three thousand, two hundred forty-nine".