550550403553 has 4 divisors (see below), whose sum is σ = 550554211008. Its totient is φ = 550546596100.

The previous prime is 550550403527. The next prime is 550550403581. The reversal of 550550403553 is 355304055055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550550403553 - 2⁹ = 550550403041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550550403353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677901 + ... + 1979002.

It is an arithmetic number, because the mean of its divisors is an integer number (137638552752).

Almost surely, 2^550550403553 is an apocalyptic number.

It is an amenable number.

550550403553 is a deficient number, since it is larger than the sum of its proper divisors (3807455).

550550403553 is a wasteful number, since it uses less digits than its factorization.

550550403553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807454.

The product of its (nonzero) digits is 562500, while the sum is 40.

The spelling of 550550403553 in words is "five hundred fifty billion, five hundred fifty million, four hundred three thousand, five hundred fifty-three".