51005606050 has 24 divisors (see below), whose sum is σ = 108423346176. Its totient is φ = 17487636240.

The previous prime is 51005606027. The next prime is 51005606059. The reversal of 51005606050 is 5060650015.

It is not an unprimeable number, because it can be changed into a prime (51005606059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72864802 + ... + 72865501.

It is an arithmetic number, because the mean of its divisors is an integer number (4517639424).

Almost surely, 2^51005606050 is an apocalyptic number.

51005606050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51005606050 is an abundant number, since it is smaller than the sum of its proper divisors (57417740126).

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

51005606050 is a wasteful number, since it uses less digits than its factorization.

51005606050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145730322 (or 145730317 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 51005606050 in words is "fifty-one billion, five million, six hundred six thousand, fifty".