56542 has 8 divisors (see below), whose sum is σ = 89856. Its totient is φ = 26592.

The previous prime is 56533. The next prime is 56543. The reversal of 56542 is 24565.

56542 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56543) 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 3 ways as a sum of consecutive naturals, for example, 798 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (11232).

2⁵⁶⁵⁴² is an apocalyptic number.

56542 is a deficient number, since it is larger than the sum of its proper divisors (33314).

56542 is a wasteful number, since it uses less digits than its factorization.

56542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its digits is 1200, while the sum is 22.

The square root of 56542 is about 237.7856177316. The cubic root of 56542 is about 38.3816571827.

The spelling of 56542 in words is "fifty-six thousand, five hundred forty-two".