51475651588 has 12 divisors (see below), whose sum is σ = 90085374540. Its totient is φ = 25736973152.

The previous prime is 51475651553. The next prime is 51475651639. The reversal of 51475651588 is 88515657415.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1518037444 + 49957614144 = 38962^2 + 223512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66043 + ... + 327586.

It is an arithmetic number, because the mean of its divisors is an integer number (7507114545).

Almost surely, 2^51475651588 is an apocalyptic number.

It is an amenable number.

51475651588 is a deficient number, since it is larger than the sum of its proper divisors (38609722952).

51475651588 is a wasteful number, since it uses less digits than its factorization.

51475651588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426326 (or 426324 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 55.

The spelling of 51475651588 in words is "fifty-one billion, four hundred seventy-five million, six hundred fifty-one thousand, five hundred eighty-eight".