3550220553 has 16 divisors (see below), whose sum is σ = 5209661376. Its totient is φ = 2132605440.

The previous prime is 3550220549. The next prime is 3550220561.

3550220553 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3550220553 - 2² = 3550220549 is a prime.

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 3550220553.

It is not an unprimeable number, because it can be changed into a prime (3550220543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472300 + ... + 479757.

It is an arithmetic number, because the mean of its divisors is an integer number (325603836).

Almost surely, 2^3550220553 is an apocalyptic number.

3550220553 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3550220553 is a deficient number, since it is larger than the sum of its proper divisors (1659440823).

3550220553 is a wasteful number, since it uses less digits than its factorization.

3550220553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952184.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 3550220553 is about 59583.7272499799. The cubic root of 3550220553 is about 1525.5218929327.

The spelling of 3550220553 in words is "three billion, five hundred fifty million, two hundred twenty thousand, five hundred fifty-three".