52440547 has 2 divisors, whose sum is σ = 52440548. Its totient is φ = 52440546.

The previous prime is 52440539. The next prime is 52440571. The reversal of 52440547 is 74504425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52440547 - 2³ = 52440539 is a prime.

It is not a weakly prime, because it can be changed into another prime (52440347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26220273 + 26220274.

It is an arithmetic number, because the mean of its divisors is an integer number (26220274).

Almost surely, 2^52440547 is an apocalyptic number.

52440547 is a deficient number, since it is larger than the sum of its proper divisors (1).

52440547 is an equidigital number, since it uses as much as digits as its factorization.

52440547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 52440547 is about 7241.5845641683. The cubic root of 52440547 is about 374.3022212329.

The spelling of 52440547 in words is "fifty-two million, four hundred forty thousand, five hundred forty-seven".