4551553449 has 12 divisors (see below), whose sum is σ = 6595885296. Its totient is φ = 3024483192.

The previous prime is 4551553423. The next prime is 4551553453. The reversal of 4551553449 is 9443551554.

It is a happy number.

4551553449 is a `hidden beast` number, since 4 + 5 + 51 + 553 + 4 + 49 = 666.

It is not a de Polignac number, because 4551553449 - 2⁹ = 4551552937 is a prime.

It is a super-3 number, since 3×4551553449³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4551553499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820899 + ... + 826424.

It is an arithmetic number, because the mean of its divisors is an integer number (549657108).

Almost surely, 2^4551553449 is an apocalyptic number.

It is an amenable number.

4551553449 is a deficient number, since it is larger than the sum of its proper divisors (2044331847).

4551553449 is a wasteful number, since it uses less digits than its factorization.

4551553449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647636 (or 1647633 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 4551553449 is about 67465.2017635759. The cubic root of 4551553449 is about 1657.2443574257.

The spelling of 4551553449 in words is "four billion, five hundred fifty-one million, five hundred fifty-three thousand, four hundred forty-nine".