51327525606 has 128 divisors (see below), whose sum is σ = 121257000960. Its totient is φ = 14182646400.

The previous prime is 51327525593. The next prime is 51327525637. The reversal of 51327525606 is 60652572315.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 74279721 + ... + 74280411.

It is an arithmetic number, because the mean of its divisors is an integer number (947320320).

Almost surely, 2^51327525606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51327525606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60628500480).

51327525606 is an abundant number, since it is smaller than the sum of its proper divisors (69929475354).

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

51327525606 is a wasteful number, since it uses less digits than its factorization.

51327525606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 51327525606 in words is "fifty-one billion, three hundred twenty-seven million, five hundred twenty-five thousand, six hundred six".