51000550050 has 24 divisors (see below), whose sum is σ = 126481364496. Its totient is φ = 13600146640.

The previous prime is 51000549913. The next prime is 51000550061. The reversal of 51000550050 is 5005500015.

It is a super-2 number, since 2×51000550050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51000549999 and 51000550026.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170001684 + ... + 170001983.

It is an arithmetic number, because the mean of its divisors is an integer number (5270056854).

Almost surely, 2^51000550050 is an apocalyptic number.

51000550050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51000550050 is an abundant number, since it is smaller than the sum of its proper divisors (75480814446).

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

51000550050 is a wasteful number, since it uses less digits than its factorization.

51000550050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340003682 (or 340003677 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The spelling of 51000550050 in words is "fifty-one billion, five hundred fifty thousand, fifty".