550025003 has 4 divisors (see below), whose sum is σ = 600027288. Its totient is φ = 500022720.

The previous prime is 550024957. The next prime is 550025011. The reversal of 550025003 is 300520055.

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

It is a cyclic number.

It is not a de Polignac number, because 550025003 - 2⁸ = 550024747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550025023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25001126 + ... + 25001147.

It is an arithmetic number, because the mean of its divisors is an integer number (150006822).

Almost surely, 2^550025003 is an apocalyptic number.

550025003 is a deficient number, since it is larger than the sum of its proper divisors (50002285).

550025003 is a wasteful number, since it uses less digits than its factorization.

550025003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50002284.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 550025003 is about 23452.6118588101. The cubic root of 550025003 is about 819.3336858608. Note that the first 3 decimals are identical.

Adding to 550025003 its reverse (300520055), we get a palindrome (850545058).

It can be divided in two parts, 5500 and 25003, that added together give a palindrome (30503).

The spelling of 550025003 in words is "five hundred fifty million, twenty-five thousand, three".