2556454546552 has 8 divisors (see below), whose sum is σ = 4793352274800. Its totient is φ = 1278227273272.

The previous prime is 2556454546549. The next prime is 2556454546559.

2556454546552 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556454546559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159778409152 + ... + 159778409167.

It is an arithmetic number, because the mean of its divisors is an integer number (599169034350).

Almost surely, 2^{2556454546552} is an apocalyptic number.

It is an amenable number.

2556454546552 is a deficient number, since it is larger than the sum of its proper divisors (2236897728248).

2556454546552 is a wasteful number, since it uses less digits than its factorization.

2556454546552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319556818325 (or 319556818321 counting only the distinct ones).

The product of its digits is 144000000, while the sum is 58.

The spelling of 2556454546552 in words is "two trillion, five hundred fifty-six billion, four hundred fifty-four million, five hundred forty-six thousand, five hundred fifty-two".