1550054445 has 8 divisors (see below), whose sum is σ = 2480087136. Its totient is φ = 826695696.

The previous prime is 1550054423. The next prime is 1550054453. The reversal of 1550054445 is 5444500551.

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

It is not a de Polignac number, because 1550054445 - 2⁶ = 1550054381 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 51668467 + ... + 51668496.

It is an arithmetic number, because the mean of its divisors is an integer number (310010892).

Almost surely, 2^1550054445 is an apocalyptic number.

1550054445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1550054445 is a deficient number, since it is larger than the sum of its proper divisors (930032691).

1550054445 is a wasteful number, since it uses less digits than its factorization.

1550054445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103336971.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 1550054445 is about 39370.7308161787. The cubic root of 1550054445 is about 1157.3080774055.

Adding to 1550054445 its reverse (5444500551), we get a palindrome (6994554996).

The spelling of 1550054445 in words is "one billion, five hundred fifty million, fifty-four thousand, four hundred forty-five".