53712233 has 2 divisors, whose sum is σ = 53712234. Its totient is φ = 53712232.

The previous prime is 53712193. The next prime is 53712277. The reversal of 53712233 is 33221735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36638809 + 17073424 = 6053^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 53712233 - 2²⁰ = 52663657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53712133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26856116 + 26856117.

It is an arithmetic number, because the mean of its divisors is an integer number (26856117).

Almost surely, 2^53712233 is an apocalyptic number.

It is an amenable number.

53712233 is a deficient number, since it is larger than the sum of its proper divisors (1).

53712233 is an equidigital number, since it uses as much as digits as its factorization.

53712233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 26.

The square root of 53712233 is about 7328.8630086801. The cubic root of 53712233 is about 377.3037045046.

Adding to 53712233 its reverse (33221735), we get a palindrome (86933968).

The spelling of 53712233 in words is "fifty-three million, seven hundred twelve thousand, two hundred thirty-three".