53678287 has 24 divisors (see below), whose sum is σ = 62293200. Its totient is φ = 46096128.

The previous prime is 53678281. The next prime is 53678327. The reversal of 53678287 is 78287635.

53678287 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 53678287 - 2³ = 53678279 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 (53678281) 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 23 ways as a sum of consecutive naturals, for example, 234289 + ... + 234517.

It is an arithmetic number, because the mean of its divisors is an integer number (2595550).

Almost surely, 2^53678287 is an apocalyptic number.

53678287 is a deficient number, since it is larger than the sum of its proper divisors (8614913).

53678287 is a wasteful number, since it uses less digits than its factorization.

53678287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 53678287 is about 7326.5467308958. The cubic root of 53678287 is about 377.2242027475.

The spelling of 53678287 in words is "fifty-three million, six hundred seventy-eight thousand, two hundred eighty-seven".