53587943 has 8 divisors (see below), whose sum is σ = 56064960. Its totient is φ = 51166720.

The previous prime is 53587939. The next prime is 53587957. The reversal of 53587943 is 34978535.

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

It is a cyclic number.

It is not a de Polignac number, because 53587943 - 2² = 53587939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53587894 and 53587903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53587993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11978 + ... + 15831.

It is an arithmetic number, because the mean of its divisors is an integer number (7008120).

Almost surely, 2^53587943 is an apocalyptic number.

53587943 is a deficient number, since it is larger than the sum of its proper divisors (2477017).

53587943 is a wasteful number, since it uses less digits than its factorization.

53587943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27897.

The product of its digits is 453600, while the sum is 44.

The square root of 53587943 is about 7320.3786104272. The cubic root of 53587943 is about 377.0124530640.

The spelling of 53587943 in words is "fifty-three million, five hundred eighty-seven thousand, nine hundred forty-three".