53313433 has 4 divisors (see below), whose sum is σ = 54043828. Its totient is φ = 52583040.

The previous prime is 53313391. The next prime is 53313461. The reversal of 53313433 is 33431335.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20903184 + 32410249 = 4572^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 53313433 - 2¹⁷ = 53182361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53313398 and 53313407.

It is not an unprimeable number, because it can be changed into a prime (53313133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365088 + ... + 365233.

It is an arithmetic number, because the mean of its divisors is an integer number (13510957).

Almost surely, 2^53313433 is an apocalyptic number.

It is an amenable number.

53313433 is a deficient number, since it is larger than the sum of its proper divisors (730395).

53313433 is an equidigital number, since it uses as much as digits as its factorization.

53313433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730394.

The product of its digits is 4860, while the sum is 25.

The square root of 53313433 is about 7301.6048235987. The cubic root of 53313433 is about 376.3675884016.

Adding to 53313433 its reverse (33431335), we get a palindrome (86744768).

The spelling of 53313433 in words is "fifty-three million, three hundred thirteen thousand, four hundred thirty-three".