51010555506 has 16 divisors (see below), whose sum is σ = 102384178848. Its totient is φ = 16943007200.

The previous prime is 51010555499. The next prime is 51010555511. The reversal of 51010555506 is 60555501015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15126000 + ... + 15129371.

It is an arithmetic number, because the mean of its divisors is an integer number (6399011178).

Almost surely, 2^51010555506 is an apocalyptic number.

51010555506 is an abundant number, since it is smaller than the sum of its proper divisors (51373623342).

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

51010555506 is a wasteful number, since it uses less digits than its factorization.

51010555506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255657.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 51010555506 in words is "fifty-one billion, ten million, five hundred fifty-five thousand, five hundred six".