53433345 has 32 divisors (see below), whose sum is σ = 98500608. Its totient is φ = 24228288.

The previous prime is 53433319. The next prime is 53433349. The reversal of 53433345 is 54333435.

It is not a de Polignac number, because 53433345 - 2⁸ = 53433089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53433349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11332 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (3078144).

Almost surely, 2^53433345 is an apocalyptic number.

It is an amenable number.

53433345 is a deficient number, since it is larger than the sum of its proper divisors (45067263).

53433345 is a wasteful number, since it uses less digits than its factorization.

53433345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its digits is 32400, while the sum is 30.

The square root of 53433345 is about 7309.8115570786. The cubic root of 53433345 is about 376.6495510884.

Subtracting from 53433345 its product of digits (32400), we obtain a triangular number (53400945 = T₁₀₃₃₄).

The spelling of 53433345 in words is "fifty-three million, four hundred thirty-three thousand, three hundred forty-five".