1481553553 has 8 divisors (see below), whose sum is σ = 1569300480. Its totient is φ = 1393872960.

The previous prime is 1481553551. The next prime is 1481553589. The reversal of 1481553553 is 3553551841.

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

It is a cyclic number.

It is not a de Polignac number, because 1481553553 - 2¹ = 1481553551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481553551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33808 + ... + 64078.

It is an arithmetic number, because the mean of its divisors is an integer number (196162560).

Almost surely, 2^1481553553 is an apocalyptic number.

It is an amenable number.

1481553553 is a deficient number, since it is larger than the sum of its proper divisors (87746927).

1481553553 is a wasteful number, since it uses less digits than its factorization.

1481553553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33167.

The product of its digits is 180000, while the sum is 40.

The square root of 1481553553 is about 38490.9541710777. The cubic root of 1481553553 is about 1140.0024502358.

The spelling of 1481553553 in words is "one billion, four hundred eighty-one million, five hundred fifty-three thousand, five hundred fifty-three".