3550240420553 has 4 divisors (see below), whose sum is σ = 3585391315908. Its totient is φ = 3515089525200.

The previous prime is 3550240420501. The next prime is 3550240420567.

3550240420553 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3368795943184 + 181444477369 = 1835428^2 + 425963^2 .

It is a cyclic number.

It is not a de Polignac number, because 3550240420553 - 2¹⁴ = 3550240404169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3550240320553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17575447526 + ... + 17575447727.

It is an arithmetic number, because the mean of its divisors is an integer number (896347828977).

Almost surely, 2^{3550240420553} is an apocalyptic number.

It is an amenable number.

3550240420553 is a deficient number, since it is larger than the sum of its proper divisors (35150895355).

3550240420553 is a wasteful number, since it uses less digits than its factorization.

3550240420553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35150895354.

The product of its (nonzero) digits is 360000, while the sum is 38.

It can be divided in two parts, 3550240 and 420553, that added together give a palindrome (3970793).

The spelling of 3550240420553 in words is "three trillion, five hundred fifty billion, two hundred forty million, four hundred twenty thousand, five hundred fifty-three".