51150022550 has 96 divisors (see below), whose sum is σ = 109645660800. Its totient is φ = 17557344000.

The previous prime is 51150022543. The next prime is 51150022597. The reversal of 51150022550 is 5522005115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2927741 + ... + 2945159.

It is an arithmetic number, because the mean of its divisors is an integer number (1142142300).

Almost surely, 2^51150022550 is an apocalyptic number.

51150022550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51150022550 is an abundant number, since it is smaller than the sum of its proper divisors (58495638250).

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

51150022550 is a wasteful number, since it uses less digits than its factorization.

51150022550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742 (or 17737 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

Adding to 51150022550 its reverse (5522005115), we get a palindrome (56672027665).

The spelling of 51150022550 in words is "fifty-one billion, one hundred fifty million, twenty-two thousand, five hundred fifty".