1550223103 has 8 divisors (see below), whose sum is σ = 1821241296. Its totient is φ = 1300886400.

The previous prime is 1550223097. The next prime is 1550223127. The reversal of 1550223103 is 3013220551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1550223103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550223163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5420218 + ... + 5420503.

It is an arithmetic number, because the mean of its divisors is an integer number (227655162).

Almost surely, 2^1550223103 is an apocalyptic number.

1550223103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1550223103 is a deficient number, since it is larger than the sum of its proper divisors (271018193).

1550223103 is a wasteful number, since it uses less digits than its factorization.

1550223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840745.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1550223103 is about 39372.8726790413. The cubic root of 1550223103 is about 1157.3500505950.

Adding to 1550223103 its reverse (3013220551), we get a palindrome (4563443654).

The spelling of 1550223103 in words is "one billion, five hundred fifty million, two hundred twenty-three thousand, one hundred three".