53297487 has 16 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 35480376.

The previous prime is 53297477. The next prime is 53297507. The reversal of 53297487 is 78479235.

53297487 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 53297487 - 2⁶ = 53297423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53297437) 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 15 ways as a sum of consecutive naturals, for example, 31218 + ... + 32880.

It is an arithmetic number, because the mean of its divisors is an integer number (4942080).

Almost surely, 2^53297487 is an apocalyptic number.

53297487 is a deficient number, since it is larger than the sum of its proper divisors (25775793).

53297487 is a wasteful number, since it uses less digits than its factorization.

53297487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859 (or 2853 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 53297487 is about 7300.5127902086. The cubic root of 53297487 is about 376.3300609238.

The spelling of 53297487 in words is "fifty-three million, two hundred ninety-seven thousand, four hundred eighty-seven".