542553 has 16 divisors (see below), whose sum is σ = 810432. Its totient is φ = 320000.

The previous prime is 542551. The next prime is 542557. The reversal of 542553 is 355245.

It is a cyclic number.

It is not a de Polignac number, because 542553 - 2¹ = 542551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (50652).

2⁵⁴²⁵⁵³ is an apocalyptic number.

It is an amenable number.

542553 is a deficient number, since it is larger than the sum of its proper divisors (267879).

542553 is a wasteful number, since it uses less digits than its factorization.

542553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its digits is 3000, while the sum is 24.

The square root of 542553 is about 736.5819709985. The cubic root of 542553 is about 81.5606584191.

Adding to 542553 its reverse (355245), we get a palindrome (897798).

The spelling of 542553 in words is "five hundred forty-two thousand, five hundred fifty-three".