550742 has 4 divisors (see below), whose sum is σ = 826116. Its totient is φ = 275370.

The previous prime is 550733. The next prime is 550757. The reversal of 550742 is 247055.

550742 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: 247055 = 5 ⋅49411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137684 + ... + 137687.

It is an arithmetic number, because the mean of its divisors is an integer number (206529).

2⁵⁵⁰⁷⁴² is an apocalyptic number.

550742 is a deficient number, since it is larger than the sum of its proper divisors (275374).

550742 is a wasteful number, since it uses less digits than its factorization.

550742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275373.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 550742 is about 742.1199363984. The cubic root of 550742 is about 81.9689551328.

Adding to 550742 its reverse (247055), we get a palindrome (797797).

The spelling of 550742 in words is "five hundred fifty thousand, seven hundred forty-two".