53390333 has 4 divisors (see below), whose sum is σ = 54066240. Its totient is φ = 52714428.

The previous prime is 53390327. The next prime is 53390341. The reversal of 53390333 is 33309335.

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 53390333 - 2⁶ = 53390269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53390296 and 53390305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53390633) 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, 337835 + ... + 337992.

It is an arithmetic number, because the mean of its divisors is an integer number (13516560).

Almost surely, 2^53390333 is an apocalyptic number.

It is an amenable number.

53390333 is a deficient number, since it is larger than the sum of its proper divisors (675907).

53390333 is an equidigital number, since it uses as much as digits as its factorization.

53390333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675906.

The product of its (nonzero) digits is 10935, while the sum is 29.

The square root of 53390333 is about 7306.8688916663. The cubic root of 53390333 is about 376.5484606590.

Adding to 53390333 its reverse (33309335), we get a palindrome (86699668).

The spelling of 53390333 in words is "fifty-three million, three hundred ninety thousand, three hundred thirty-three".