51636444006 has 64 divisors (see below), whose sum is σ = 118927351296. Its totient is φ = 14640998400.

The previous prime is 51636443959. The next prime is 51636444019. The reversal of 51636444006 is 60044463615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3405061 + ... + 3420191.

It is an arithmetic number, because the mean of its divisors is an integer number (1858239864).

Almost surely, 2^51636444006 is an apocalyptic number.

51636444006 is an abundant number, since it is smaller than the sum of its proper divisors (67290907290).

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

51636444006 is a wasteful number, since it uses less digits than its factorization.

51636444006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15757.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 51636444006 in words is "fifty-one billion, six hundred thirty-six million, four hundred forty-four thousand, six".