542054 has 4 divisors (see below), whose sum is σ = 813084. Its totient is φ = 271026.

The previous prime is 542053. The next prime is 542063. The reversal of 542054 is 450245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135512 + ... + 135515.

It is an arithmetic number, because the mean of its divisors is an integer number (203271).

2⁵⁴²⁰⁵⁴ is an apocalyptic number.

542054 is a deficient number, since it is larger than the sum of its proper divisors (271030).

542054 is a wasteful number, since it uses less digits than its factorization.

542054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271029.

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

The square root of 542054 is about 736.2431663520. The cubic root of 542054 is about 81.5356462684.

Adding to 542054 its reverse (450245), we get a palindrome (992299).

Subtracting from 542054 its reverse (450245), we obtain a square (91809 = 303²).

The spelling of 542054 in words is "five hundred forty-two thousand, fifty-four".