53589993 has 16 divisors (see below), whose sum is σ = 73495296. Its totient is φ = 34712960.

The previous prime is 53589983. The next prime is 53590007. The reversal of 53589993 is 39998535.

It is a cyclic number.

It is not a de Polignac number, because 53589993 - 2⁵ = 53589961 is a prime.

It is a super-3 number, since 3×53589993³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53589923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35296 + ... + 36782.

It is an arithmetic number, because the mean of its divisors is an integer number (4593456).

Almost surely, 2^53589993 is an apocalyptic number.

It is an amenable number.

53589993 is a deficient number, since it is larger than the sum of its proper divisors (19905303).

53589993 is a wasteful number, since it uses less digits than its factorization.

53589993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its digits is 1312200, while the sum is 51.

The square root of 53589993 is about 7320.5186291683. The cubic root of 53589993 is about 377.0172605240.

It can be divided in two parts, 5358 and 9993, that added together give a palindrome (15351).

The spelling of 53589993 in words is "fifty-three million, five hundred eighty-nine thousand, nine hundred ninety-three".