2556258053454 has 64 divisors (see below), whose sum is σ = 6774348487680. Its totient is φ = 698604683040.

The previous prime is 2556258053411. The next prime is 2556258053467. The reversal of 2556258053454 is 4543508526552.

2556258053454 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 2 + 58 + 0 + 534 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2556258053454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147004077 + ... + 147021464.

It is an arithmetic number, because the mean of its divisors is an integer number (105849195120).

Almost surely, 2^{2556258053454} is an apocalyptic number.

2556258053454 is an abundant number, since it is smaller than the sum of its proper divisors (4218090434226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2556258053454 is a wasteful number, since it uses less digits than its factorization.

2556258053454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294025582 (or 294025576 counting only the distinct ones).

The product of its (nonzero) digits is 28800000, while the sum is 54.

The spelling of 2556258053454 in words is "two trillion, five hundred fifty-six billion, two hundred fifty-eight million, fifty-three thousand, four hundred fifty-four".