52947489 has 12 divisors (see below), whose sum is σ = 82122864. Its totient is φ = 30255624.

The previous prime is 52947467. The next prime is 52947511. The reversal of 52947489 is 98474925.

52947489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52947467) and next prime (52947511).

It is not a de Polignac number, because 52947489 - 2⁷ = 52947361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52947409) 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, 179947 + ... + 180240.

It is an arithmetic number, because the mean of its divisors is an integer number (6843572).

Almost surely, 2^52947489 is an apocalyptic number.

It is an amenable number.

52947489 is a deficient number, since it is larger than the sum of its proper divisors (29175375).

52947489 is a wasteful number, since it uses less digits than its factorization.

52947489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360204 (or 360197 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 52947489 is about 7276.5025252521. The cubic root of 52947489 is about 375.5044801395.

The spelling of 52947489 in words is "fifty-two million, nine hundred forty-seven thousand, four hundred eighty-nine".