552742 has 4 divisors (see below), whose sum is σ = 829116. Its totient is φ = 276370.

The previous prime is 552731. The next prime is 552749. The reversal of 552742 is 247255.

552742 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: 247255 = 5 ⋅49451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552749) by changing a digit.

552742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138184 + ... + 138187.

It is an arithmetic number, because the mean of its divisors is an integer number (207279).

2⁵⁵²⁷⁴² is an apocalyptic number.

552742 is a deficient number, since it is larger than the sum of its proper divisors (276374).

552742 is a wasteful number, since it uses less digits than its factorization.

552742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276373.

The product of its digits is 2800, while the sum is 25.

The square root of 552742 is about 743.4662063605. The cubic root of 552742 is about 82.0680577161.

Adding to 552742 its reverse (247255), we get a palindrome (799997).

The spelling of 552742 in words is "five hundred fifty-two thousand, seven hundred forty-two".