52033421 has 4 divisors (see below), whose sum is σ = 56763744. Its totient is φ = 47303100.

The previous prime is 52033409. The next prime is 52033459. The reversal of 52033421 is 12433025.

It is a happy number.

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 52033421 - 2⁶ = 52033357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52033393 and 52033402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52033021) 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, 2365145 + ... + 2365166.

It is an arithmetic number, because the mean of its divisors is an integer number (14190936).

Almost surely, 2^52033421 is an apocalyptic number.

It is an amenable number.

52033421 is a deficient number, since it is larger than the sum of its proper divisors (4730323).

52033421 is a wasteful number, since it uses less digits than its factorization.

52033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730322.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52033421 is about 7213.4195081113. The cubic root of 52033421 is about 373.3310628228.

Adding to 52033421 its reverse (12433025), we get a palindrome (64466446).

The spelling of 52033421 in words is "fifty-two million, thirty-three thousand, four hundred twenty-one".