56535 has 8 divisors (see below), whose sum is σ = 90480. Its totient is φ = 30144.

The previous prime is 56533. The next prime is 56543. The reversal of 56535 is 53565.

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

It is not a de Polignac number, because 56535 - 2¹ = 56533 is a prime.

It is an Ulam number.

56535 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (11310).

2⁵⁶⁵³⁵ is an apocalyptic number.

56535 is a deficient number, since it is larger than the sum of its proper divisors (33945).

56535 is a wasteful number, since it uses less digits than its factorization.

56535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777.

The product of its digits is 2250, while the sum is 24.

The square root of 56535 is about 237.7708981352. The cubic root of 56535 is about 38.3800732116.

Adding to 56535 its product of digits (2250), we get a palindrome (58785).

Subtracting from 56535 its product of digits (2250), we obtain a triangular number (54285 = T₃₂₉).

The spelling of 56535 in words is "fifty-six thousand, five hundred thirty-five".