53224417 has 2 divisors, whose sum is σ = 53224418. Its totient is φ = 53224416.

The previous prime is 53224393. The next prime is 53224421. The reversal of 53224417 is 71442235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29419776 + 23804641 = 5424^2 + 4879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53224417 is a prime.

It is not a weakly prime, because it can be changed into another prime (53224477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26612208 + 26612209.

It is an arithmetic number, because the mean of its divisors is an integer number (26612209).

Almost surely, 2^53224417 is an apocalyptic number.

It is an amenable number.

53224417 is a deficient number, since it is larger than the sum of its proper divisors (1).

53224417 is an equidigital number, since it uses as much as digits as its factorization.

53224417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 53224417 is about 7295.5066307968. The cubic root of 53224417 is about 376.1580014433.

The spelling of 53224417 in words is "fifty-three million, two hundred twenty-four thousand, four hundred seventeen".