52730449 has 2 divisors, whose sum is σ = 52730450. Its totient is φ = 52730448.

The previous prime is 52730441. The next prime is 52730477. The reversal of 52730449 is 94403725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36084049 + 16646400 = 6007^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 52730449 - 2³ = 52730441 is a prime.

It is equal to p_3154885 and since 52730449 and 3154885 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52730441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26365224 + 26365225.

It is an arithmetic number, because the mean of its divisors is an integer number (26365225).

Almost surely, 2^52730449 is an apocalyptic number.

It is an amenable number.

52730449 is a deficient number, since it is larger than the sum of its proper divisors (1).

52730449 is an equidigital number, since it uses as much as digits as its factorization.

52730449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 52730449 is about 7261.5734520832. The cubic root of 52730449 is about 374.9906936950.

It can be divided in two parts, 527 and 30449, that added together give a square (30976 = 176²).

The spelling of 52730449 in words is "fifty-two million, seven hundred thirty thousand, four hundred forty-nine".