553355231449 has 4 divisors (see below), whose sum is σ = 553567328820. Its totient is φ = 553143134080.

The previous prime is 553355231413. The next prime is 553355231477. The reversal of 553355231449 is 944132553355.

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 304521867225 + 248833364224 = 551835^2 + 498832^2 .

It is a cyclic number.

It is not a de Polignac number, because 553355231449 - 2¹⁷ = 553355100377 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553355331449) 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, 106044772 + ... + 106049989.

It is an arithmetic number, because the mean of its divisors is an integer number (138391832205).

Almost surely, 2^553355231449 is an apocalyptic number.

It is an amenable number.

553355231449 is a deficient number, since it is larger than the sum of its proper divisors (212097371).

553355231449 is a wasteful number, since it uses less digits than its factorization.

553355231449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212097370.

The product of its digits is 4860000, while the sum is 49.

The spelling of 553355231449 in words is "five hundred fifty-three billion, three hundred fifty-five million, two hundred thirty-one thousand, four hundred forty-nine".