53982587 has 8 divisors (see below), whose sum is σ = 57640704. Its totient is φ = 50433768.

The previous prime is 53982557. The next prime is 53982647. The reversal of 53982587 is 78528935.

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-53982587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53982547) 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, 26303 + ... + 28280.

It is an arithmetic number, because the mean of its divisors is an integer number (7205088).

Almost surely, 2^53982587 is an apocalyptic number.

53982587 is a deficient number, since it is larger than the sum of its proper divisors (3658117).

53982587 is a wasteful number, since it uses less digits than its factorization.

53982587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54649.

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

The square root of 53982587 is about 7347.2843282399. The cubic root of 53982587 is about 377.9356828132.

The spelling of 53982587 in words is "fifty-three million, nine hundred eighty-two thousand, five hundred eighty-seven".