51005501006 has 16 divisors (see below), whose sum is σ = 78298813824. Its totient is φ = 24906067704.

The previous prime is 51005500967. The next prime is 51005501011. The reversal of 51005501006 is 60010550015.

It is a super-2 number, since 2×51005501006² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 614855 + ... + 692861.

It is an arithmetic number, because the mean of its divisors is an integer number (4893675864).

Almost surely, 2^51005501006 is an apocalyptic number.

51005501006 is a deficient number, since it is larger than the sum of its proper divisors (27293312818).

51005501006 is a wasteful number, since it uses less digits than its factorization.

51005501006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85655.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51005501006 in words is "fifty-one billion, five million, five hundred one thousand, six".