53598 has 8 divisors (see below), whose sum is σ = 107208. Its totient is φ = 17864.

The previous prime is 53597. The next prime is 53609. The reversal of 53598 is 89535.

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

53598 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (13401).

2⁵³⁵⁹⁸ is an apocalyptic number.

53598 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53604).

53598 is a wasteful number, since it uses less digits than its factorization.

53598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8938.

The product of its digits is 5400, while the sum is 30.

The square root of 53598 is about 231.5124186734. The cubic root of 53598 is about 37.7036036585.

Adding to 53598 its sum of digits (30), we get a triangular number (53628 = T₃₂₇).

Subtracting 53598 from its reverse (89535), we obtain a cube (35937 = 33³).

The spelling of 53598 in words is "fifty-three thousand, five hundred ninety-eight".