2755800555553 has 4 divisors (see below), whose sum is σ = 2781555701040. Its totient is φ = 2730045410068.

The previous prime is 2755800555533. The next prime is 2755800555581. The reversal of 2755800555553 is 3555550085572.

It is a happy number.

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 2755800555553 - 2⁹ = 2755800555041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2755800555494 and 2755800555503.

It is not an unprimeable number, because it can be changed into a prime (2755800555523) 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 3 ways as a sum of consecutive naturals, for example, 12877572583 + ... + 12877572796.

It is an arithmetic number, because the mean of its divisors is an integer number (695388925260).

Almost surely, 2^{2755800555553} is an apocalyptic number.

It is an amenable number.

2755800555553 is a deficient number, since it is larger than the sum of its proper divisors (25755145487).

2755800555553 is a wasteful number, since it uses less digits than its factorization.

2755800555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25755145486.

The product of its (nonzero) digits is 26250000, while the sum is 55.

The spelling of 2755800555553 in words is "two trillion, seven hundred fifty-five billion, eight hundred million, five hundred fifty-five thousand, five hundred fifty-three".