1444550553 has 6 divisors (see below), whose sum is σ = 2086573034. Its totient is φ = 963033696.

The previous prime is 1444550507. The next prime is 1444550567. The reversal of 1444550553 is 3550554441.

1444550553 is a `hidden beast` number, since 14 + 4 + 45 + 50 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 742671504 + 701879049 = 27252^2 + 26493^2 .

It is not a de Polignac number, because 1444550553 - 2¹³ = 1444542361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444550153) 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, 80252800 + ... + 80252817.

Almost surely, 2^1444550553 is an apocalyptic number.

It is an amenable number.

1444550553 is a deficient number, since it is larger than the sum of its proper divisors (642022481).

1444550553 is a wasteful number, since it uses less digits than its factorization.

1444550553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160505623 (or 160505620 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 1444550553 is about 38007.2434280625. The cubic root of 1444550553 is about 1130.4314933947.

The spelling of 1444550553 in words is "one billion, four hundred forty-four million, five hundred fifty thousand, five hundred fifty-three".