52449629 has 2 divisors, whose sum is σ = 52449630. Its totient is φ = 52449628.

The previous prime is 52449623. The next prime is 52449647. The reversal of 52449629 is 92694425.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50268100 + 2181529 = 7090^2 + 1477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52449629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52449623) 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, 26224814 + 26224815.

It is an arithmetic number, because the mean of its divisors is an integer number (26224815).

Almost surely, 2^52449629 is an apocalyptic number.

It is an amenable number.

52449629 is a deficient number, since it is larger than the sum of its proper divisors (1).

52449629 is an equidigital number, since it uses as much as digits as its factorization.

52449629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 52449629 is about 7242.2116097225. The cubic root of 52449629 is about 374.3238280286.

The spelling of 52449629 in words is "fifty-two million, four hundred forty-nine thousand, six hundred twenty-nine".