52807447 has 12 divisors (see below), whose sum is σ = 67014216. Its totient is φ = 41148240.

The previous prime is 52807439. The next prime is 52807453. The reversal of 52807447 is 74470825.

It is not a de Polignac number, because 52807447 - 2³ = 52807439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52807427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48448 + ... + 49525.

It is an arithmetic number, because the mean of its divisors is an integer number (5584518).

Almost surely, 2^52807447 is an apocalyptic number.

52807447 is a deficient number, since it is larger than the sum of its proper divisors (14206769).

52807447 is a wasteful number, since it uses less digits than its factorization.

52807447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97998 (or 97991 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 52807447 is about 7266.8732615892. The cubic root of 52807447 is about 375.1731277628.

The spelling of 52807447 in words is "fifty-two million, eight hundred seven thousand, four hundred forty-seven".