53214233 has 4 divisors (see below), whose sum is σ = 56344500. Its totient is φ = 50083968.

The previous prime is 53214221. The next prime is 53214241. The reversal of 53214233 is 33241235.

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 27489049 + 25725184 = 5243^2 + 5072^2 .

It is a cyclic number.

It is not a de Polignac number, because 53214233 - 2⁶ = 53214169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53214199 and 53214208.

It is not an unprimeable number, because it can be changed into a prime (53210233) 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, 1565108 + ... + 1565141.

It is an arithmetic number, because the mean of its divisors is an integer number (14086125).

Almost surely, 2^53214233 is an apocalyptic number.

It is an amenable number.

53214233 is a deficient number, since it is larger than the sum of its proper divisors (3130267).

53214233 is a wasteful number, since it uses less digits than its factorization.

53214233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130266.

The product of its digits is 2160, while the sum is 23.

The square root of 53214233 is about 7294.8086335421. The cubic root of 53214233 is about 376.1340084613.

Adding to 53214233 its reverse (33241235), we get a palindrome (86455468).

The spelling of 53214233 in words is "fifty-three million, two hundred fourteen thousand, two hundred thirty-three".