51589919626 has 16 divisors (see below), whose sum is σ = 88469424000. Its totient is φ = 22102575120.

The previous prime is 51589919621. The next prime is 51589919627. The reversal of 51589919626 is 62691998515.

It is not an unprimeable number, because it can be changed into a prime (51589919621) 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 7 ways as a sum of consecutive naturals, for example, 572385 + ... + 656356.

It is an arithmetic number, because the mean of its divisors is an integer number (5529339000).

Almost surely, 2^51589919626 is an apocalyptic number.

51589919626 is a deficient number, since it is larger than the sum of its proper divisors (36879504374).

51589919626 is a wasteful number, since it uses less digits than its factorization.

51589919626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231749.

The product of its digits is 10497600, while the sum is 61.

The spelling of 51589919626 in words is "fifty-one billion, five hundred eighty-nine million, nine hundred nineteen thousand, six hundred twenty-six".