1045054550 has 12 divisors (see below), whose sum is σ = 1943801556. Its totient is φ = 418021800.

The previous prime is 1045054523. The next prime is 1045054559. The reversal of 1045054550 is 554505401.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045054559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10450496 + ... + 10450595.

It is an arithmetic number, because the mean of its divisors is an integer number (161983463).

Almost surely, 2^1045054550 is an apocalyptic number.

1045054550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045054550 is a deficient number, since it is larger than the sum of its proper divisors (898747006).

1045054550 is a wasteful number, since it uses less digits than its factorization.

1045054550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20901103 (or 20901098 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1045054550 is about 32327.3034755452. The cubic root of 1045054550 is about 1014.7981188272.

Adding to 1045054550 its reverse (554505401), we get a palindrome (1599559951).

The spelling of 1045054550 in words is "one billion, forty-five million, fifty-four thousand, five hundred fifty".