1050550989 has 8 divisors (see below), whose sum is σ = 1483130880. Its totient is φ = 659169216.

The previous prime is 1050550973. The next prime is 1050551039. The reversal of 1050550989 is 9890550501.

It is a happy number.

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

It is not a de Polignac number, because 1050550989 - 2⁴ = 1050550973 is a prime.

It is a super-2 number, since 2×1050550989² = 2207314760977756242, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050550989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050550889) 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, 10299469 + ... + 10299570.

It is an arithmetic number, because the mean of its divisors is an integer number (185391360).

Almost surely, 2^1050550989 is an apocalyptic number.

It is an amenable number.

1050550989 is a deficient number, since it is larger than the sum of its proper divisors (432579891).

1050550989 is a wasteful number, since it uses less digits than its factorization.

1050550989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20599059.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 1050550989 is about 32412.2043218291. The cubic root of 1050550989 is about 1016.5741108730.

The spelling of 1050550989 in words is "one billion, fifty million, five hundred fifty thousand, nine hundred eighty-nine".