52517947 has 12 divisors (see below), whose sum is σ = 58221936. Its totient is φ = 47273600.

The previous prime is 52517897. The next prime is 52517977. The reversal of 52517947 is 74971525.

52517947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52517947 - 2⁷ = 52517819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52517977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2697 + ... + 10597.

It is an arithmetic number, because the mean of its divisors is an integer number (4851828).

Almost surely, 2^52517947 is an apocalyptic number.

52517947 is a deficient number, since it is larger than the sum of its proper divisors (5703989).

52517947 is a wasteful number, since it uses less digits than its factorization.

52517947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958 (or 7941 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The square root of 52517947 is about 7246.9267279310. The cubic root of 52517947 is about 374.4862820532.

The spelling of 52517947 in words is "fifty-two million, five hundred seventeen thousand, nine hundred forty-seven".