54542 has 4 divisors (see below), whose sum is σ = 81816. Its totient is φ = 27270.

The previous prime is 54541. The next prime is 54547. The reversal of 54542 is 24545.

It is a happy number.

54542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24545 = 5 ⋅4909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13634 + ... + 13637.

It is an arithmetic number, because the mean of its divisors is an integer number (20454).

2⁵⁴⁵⁴² is an apocalyptic number.

54542 is a deficient number, since it is larger than the sum of its proper divisors (27274).

54542 is a wasteful number, since it uses less digits than its factorization.

54542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27273.

The product of its digits is 800, while the sum is 20.

The square root of 54542 is about 233.5422873914. The cubic root of 54542 is about 37.9236694924.

The spelling of 54542 in words is "fifty-four thousand, five hundred forty-two".