1455550550 has 12 divisors (see below), whose sum is σ = 2707324116. Its totient is φ = 582220200.

The previous prime is 1455550543. The next prime is 1455550573. The reversal of 1455550550 is 550555541.

It is a happy number.

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 1455550550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14555456 + ... + 14555555.

It is an arithmetic number, because the mean of its divisors is an integer number (225610343).

Almost surely, 2^1455550550 is an apocalyptic number.

1455550550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1455550550 is a deficient number, since it is larger than the sum of its proper divisors (1251773566).

1455550550 is a wasteful number, since it uses less digits than its factorization.

1455550550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29111023 (or 29111018 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 35.

The square root of 1455550550 is about 38151.6782068627. The cubic root of 1455550550 is about 1133.2935861685.

The spelling of 1455550550 in words is "one billion, four hundred fifty-five million, five hundred fifty thousand, five hundred fifty".