255451321053 has 20 divisors (see below), whose sum is σ = 384127293088. Its totient is φ = 169173052200.

The previous prime is 255451321031. The next prime is 255451321061. The reversal of 255451321053 is 350123154552.

255451321053 is a `hidden beast` number, since 2 + 5 + 545 + 1 + 3 + 2 + 105 + 3 = 666.

It is not a de Polignac number, because 255451321053 - 2¹⁶ = 255451255517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255451320999 and 255451321017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255451322053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10430551 + ... + 10455012.

Almost surely, 2^255451321053 is an apocalyptic number.

It is an amenable number.

255451321053 is a deficient number, since it is larger than the sum of its proper divisors (128675972035).

255451321053 is a wasteful number, since it uses less digits than its factorization.

255451321053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20885726 (or 20885717 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 255451321053 in words is "two hundred fifty-five billion, four hundred fifty-one million, three hundred twenty-one thousand, fifty-three".