51150550050 has 144 divisors (see below), whose sum is σ = 138296291328. Its totient is φ = 13553971200.

The previous prime is 51150550049. The next prime is 51150550051. The reversal of 51150550050 is 5005505115.

51150550050 is a `hidden beast` number, since 5 + 1 + 150 + 5 + 500 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (51150550049) and next prime (51150550051).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51150549996 and 51150550023.

It is not an unprimeable number, because it can be changed into a prime (51150550051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 79797730 + ... + 79798370.

It is an arithmetic number, because the mean of its divisors is an integer number (960390912).

Almost surely, 2^51150550050 is an apocalyptic number.

51150550050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51150550050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69148145664).

51150550050 is an abundant number, since it is smaller than the sum of its proper divisors (87145741278).

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

51150550050 is a wasteful number, since it uses less digits than its factorization.

51150550050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 51150550050 in words is "fifty-one billion, one hundred fifty million, five hundred fifty thousand, fifty".