523554543122256 has 160 divisors (see below), whose sum is σ = 1543429310035200. Its totient is φ = 169799518563840.

The previous prime is 523554543122243. The next prime is 523554543122257. The reversal of 523554543122256 is 652221345455325.

523554543122256 is a `hidden beast` number, since 5 + 2 + 3 + 5 + 54 + 54 + 312 + 225 + 6 = 666.

It is a super-4 number, since 4×523554543122256⁴ (a number of 60 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523554543122257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2168444550 + ... + 2168685978.

It is an arithmetic number, because the mean of its divisors is an integer number (9646433187720).

Almost surely, 2^{523554543122256} is an apocalyptic number.

It is an amenable number.

523554543122256 is an abundant number, since it is smaller than the sum of its proper divisors (1019874766912944).

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

523554543122256 is a wasteful number, since it uses less digits than its factorization.

523554543122256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377154 (or 377142 counting only the distinct ones).

The product of its digits is 43200000, while the sum is 54.

The spelling of 523554543122256 in words is "five hundred twenty-three trillion, five hundred fifty-four billion, five hundred forty-three million, one hundred twenty-two thousand, two hundred fifty-six".