542025553 has 4 divisors (see below), whose sum is σ = 542113588. Its totient is φ = 541937520.

The previous prime is 542025551. The next prime is 542025563. The reversal of 542025553 is 355520245.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 502297744 + 39727809 = 22412^2 + 6303^2 .

It is a cyclic number.

It is not a de Polignac number, because 542025553 - 2¹ = 542025551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542025551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34026 + ... + 47347.

It is an arithmetic number, because the mean of its divisors is an integer number (135528397).

Almost surely, 2^542025553 is an apocalyptic number.

It is an amenable number.

542025553 is a deficient number, since it is larger than the sum of its proper divisors (88035).

542025553 is an equidigital number, since it uses as much as digits as its factorization.

542025553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88034.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 542025553 is about 23281.4422448439. The cubic root of 542025553 is about 815.3421991292.

Adding to 542025553 its reverse (355520245), we get a palindrome (897545798).

The spelling of 542025553 in words is "five hundred forty-two million, twenty-five thousand, five hundred fifty-three".