52405547 has 2 divisors, whose sum is σ = 52405548. Its totient is φ = 52405546.

The previous prime is 52405513. The next prime is 52405589. The reversal of 52405547 is 74550425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52405547 - 2¹² = 52401451 is a prime.

It is not a weakly prime, because it can be changed into another prime (52405147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202773 + 26202774.

It is an arithmetic number, because the mean of its divisors is an integer number (26202774).

Almost surely, 2^52405547 is an apocalyptic number.

52405547 is a deficient number, since it is larger than the sum of its proper divisors (1).

52405547 is an equidigital number, since it uses as much as digits as its factorization.

52405547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 52405547 is about 7239.1675626414. The cubic root of 52405547 is about 374.2189301276.

The spelling of 52405547 in words is "fifty-two million, four hundred five thousand, five hundred forty-seven".