51510555500006 has 16 divisors (see below), whose sum is σ = 77359286925648. Its totient is φ = 25724128768800.

The previous prime is 51510555500003. The next prime is 51510555500021. The reversal of 51510555500006 is 60000555501515.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51510555500003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46557596 + ... + 47651136.

It is an arithmetic number, because the mean of its divisors is an integer number (4834955432853).

Almost surely, 2^{51510555500006} is an apocalyptic number.

51510555500006 is a deficient number, since it is larger than the sum of its proper divisors (25848731425642).

51510555500006 is a wasteful number, since it uses less digits than its factorization.

51510555500006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122007.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 51510555500006 in words is "fifty-one trillion, five hundred ten billion, five hundred fifty-five million, five hundred thousand, six".