53587289 has 8 divisors (see below), whose sum is σ = 61290048. Its totient is φ = 45896400.

The previous prime is 53587283. The next prime is 53587291. The reversal of 53587289 is 98278535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53587289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53587283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11294 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (7661256).

Almost surely, 2^53587289 is an apocalyptic number.

It is an amenable number.

53587289 is a deficient number, since it is larger than the sum of its proper divisors (7702759).

53587289 is a wasteful number, since it uses less digits than its factorization.

53587289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935.

The product of its digits is 604800, while the sum is 47.

The square root of 53587289 is about 7320.3339404702. Note that the first 3 decimals coincide. The cubic root of 53587289 is about 377.0109193412.

The spelling of 53587289 in words is "fifty-three million, five hundred eighty-seven thousand, two hundred eighty-nine".