1550344133 has 8 divisors (see below), whose sum is σ = 1688362200. Its totient is φ = 1415006208.

The previous prime is 1550344129. The next prime is 1550344183. The reversal of 1550344133 is 3314430551.

It can be written as a sum of positive squares in 4 ways, for example, as 185558884 + 1364785249 = 13622^2 + 36943^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1550344133 - 2² = 1550344129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1550344096 and 1550344105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550344183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668828 + ... + 671141.

It is an arithmetic number, because the mean of its divisors is an integer number (211045275).

Almost surely, 2^1550344133 is an apocalyptic number.

1550344133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1550344133 is a deficient number, since it is larger than the sum of its proper divisors (138018067).

1550344133 is a wasteful number, since it uses less digits than its factorization.

1550344133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340071.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1550344133 is about 39374.4096209708. The cubic root of 1550344133 is about 1157.3801689332.

Adding to 1550344133 its reverse (3314430551), we get a palindrome (4864774684).

The spelling of 1550344133 in words is "one billion, five hundred fifty million, three hundred forty-four thousand, one hundred thirty-three".