53004449 has 2 divisors, whose sum is σ = 53004450. Its totient is φ = 53004448.

The previous prime is 53004409. The next prime is 53004463. The reversal of 53004449 is 94440035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52823824 + 180625 = 7268^2 + 425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53004449 is a prime.

It is a super-2 number, since 2×53004449² = 5618943227587202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53004409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26502224 + 26502225.

It is an arithmetic number, because the mean of its divisors is an integer number (26502225).

Almost surely, 2^53004449 is an apocalyptic number.

It is an amenable number.

53004449 is a deficient number, since it is larger than the sum of its proper divisors (1).

53004449 is an equidigital number, since it uses as much as digits as its factorization.

53004449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 53004449 is about 7280.4154414429. The cubic root of 53004449 is about 375.6390856408.

The spelling of 53004449 in words is "fifty-three million, four thousand, four hundred forty-nine".