51082221470 has 32 divisors (see below), whose sum is σ = 105094734336. Its totient is φ = 17512020000.

The previous prime is 51082221457. The next prime is 51082221479. The reversal of 51082221470 is 7412228015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51082221479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720095 + ... + 787845.

It is an arithmetic number, because the mean of its divisors is an integer number (3284210448).

Almost surely, 2^51082221470 is an apocalyptic number.

51082221470 is an abundant number, since it is smaller than the sum of its proper divisors (54012512866).

51082221470 is a wasteful number, since it uses less digits than its factorization.

51082221470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78536.

The product of its (nonzero) digits is 8960, while the sum is 32.

Adding to 51082221470 its reverse (7412228015), we get a palindrome (58494449485).

The spelling of 51082221470 in words is "fifty-one billion, eighty-two million, two hundred twenty-one thousand, four hundred seventy".