53219233 has 2 divisors, whose sum is σ = 53219234. Its totient is φ = 53219232.

The previous prime is 53219227. The next prime is 53219269. The reversal of 53219233 is 33291235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37797904 + 15421329 = 6148^2 + 3927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53219233 is a prime.

It is a super-2 number, since 2×53219233² = 5664573522216578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53219203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26609616 + 26609617.

It is an arithmetic number, because the mean of its divisors is an integer number (26609617).

Almost surely, 2^53219233 is an apocalyptic number.

It is an amenable number.

53219233 is a deficient number, since it is larger than the sum of its proper divisors (1).

53219233 is an equidigital number, since it uses as much as digits as its factorization.

53219233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 28.

The square root of 53219233 is about 7295.1513349621. The cubic root of 53219233 is about 376.1457885875.

The spelling of 53219233 in words is "fifty-three million, two hundred nineteen thousand, two hundred thirty-three".