2556334455 has 32 divisors (see below), whose sum is σ = 4333492224. Its totient is φ = 1282361856.

The previous prime is 2556334433. The next prime is 2556334457. The reversal of 2556334455 is 5544336552.

It is a happy number.

It is not a de Polignac number, because 2556334455 - 2⁹ = 2556333943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556334457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703774 + ... + 707396.

It is an arithmetic number, because the mean of its divisors is an integer number (135421632).

Almost surely, 2^2556334455 is an apocalyptic number.

2556334455 is a deficient number, since it is larger than the sum of its proper divisors (1777157769).

2556334455 is a wasteful number, since it uses less digits than its factorization.

2556334455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415.

The product of its digits is 1080000, while the sum is 42.

The square root of 2556334455 is about 50560.2062396901. The cubic root of 2556334455 is about 1367.3275294476.

The spelling of 2556334455 in words is "two billion, five hundred fifty-six million, three hundred thirty-four thousand, four hundred fifty-five".