51523516302255 has 72 divisors (see below), whose sum is σ = 92754442171872. Its totient is φ = 27474223401792.

The previous prime is 51523516302227. The next prime is 51523516302259. The reversal of 51523516302255 is 55220361532515.

It is a happy number.

51523516302255 is a `hidden beast` number, since 5 + 1 + 5 + 2 + 3 + 5 + 1 + 630 + 2 + 2 + 5 + 5 = 666.

51523516302255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51523516302255 - 2⁷ = 51523516302127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 51523516302255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51523516302259) 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 71 ways as a sum of consecutive naturals, for example, 184322857 + ... + 184602173.

It is an arithmetic number, because the mean of its divisors is an integer number (1288256141276).

Almost surely, 2^{51523516302255} is an apocalyptic number.

51523516302255 is a deficient number, since it is larger than the sum of its proper divisors (41230925869617).

51523516302255 is an frugal number, since it uses more digits than its factorization.

51523516302255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284969 (or 284948 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 51523516302255 in words is "fifty-one trillion, five hundred twenty-three billion, five hundred sixteen million, three hundred two thousand, two hundred fifty-five".