255545522550504 has 128 divisors (see below), whose sum is σ = 712112921452800. Its totient is φ = 84910150022400.

The previous prime is 255545522550499. The next prime is 255545522550541. The reversal of 255545522550504 is 405055225545552.

255545522550504 is a `hidden beast` number, since 25 + 5 + 5 + 45 + 5 + 2 + 25 + 50 + 504 = 666.

It is a super-2 number, since 2×255545522550504² (a number of 30 digits) contains 22 as substring.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2872835229 + ... + 2872924179.

It is an arithmetic number, because the mean of its divisors is an integer number (5563382198850).

Almost surely, 2^{255545522550504} is an apocalyptic number.

255545522550504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255545522550504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356056460726400).

255545522550504 is an abundant number, since it is smaller than the sum of its proper divisors (456567398902296).

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

255545522550504 is a wasteful number, since it uses less digits than its factorization.

255545522550504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131240 (or 131230 counting only the distinct ones).

The product of its (nonzero) digits is 50000000, while the sum is 54.

The spelling of 255545522550504 in words is "two hundred fifty-five trillion, five hundred forty-five billion, five hundred twenty-two million, five hundred fifty thousand, five hundred four".