53445433 has 8 divisors (see below), whose sum is σ = 56684448. Its totient is φ = 50217024.

The previous prime is 53445401. The next prime is 53445437. The reversal of 53445433 is 33454435.

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

It is a cyclic number.

It is not a de Polignac number, because 53445433 - 2⁵ = 53445401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53445395 and 53445404.

It is not an unprimeable number, because it can be changed into a prime (53445437) 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, 9310 + ... + 13912.

It is an arithmetic number, because the mean of its divisors is an integer number (7085556).

Almost surely, 2^53445433 is an apocalyptic number.

It is an amenable number.

53445433 is a deficient number, since it is larger than the sum of its proper divisors (3239015).

53445433 is a wasteful number, since it uses less digits than its factorization.

53445433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303.

The product of its digits is 43200, while the sum is 31.

The square root of 53445433 is about 7310.6383442214. The cubic root of 53445433 is about 376.6779515593.

Adding to 53445433 its reverse (33454435), we get a palindrome (86899868).

The spelling of 53445433 in words is "fifty-three million, four hundred forty-five thousand, four hundred thirty-three".