540550 has 24 divisors (see below), whose sum is σ = 1060200. Its totient is φ = 204480.

The previous prime is 540541. The next prime is 540557. The reversal of 540550 is 55045.

It is a happy number.

540550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (44175).

2⁵⁴⁰⁵⁵⁰ is an apocalyptic number.

540550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

540550 is a deficient number, since it is larger than the sum of its proper divisors (519650).

540550 is a wasteful number, since it uses less digits than its factorization.

540550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 540550 is about 735.2210551936. The cubic root of 540550 is about 81.4601659630.

Adding to 540550 its reverse (55045), we get a palindrome (595595).

The spelling of 540550 in words is "five hundred forty thousand, five hundred fifty".