51071704 has 16 divisors (see below), whose sum is σ = 97797600. Its totient is φ = 24992352.

The previous prime is 51071693. The next prime is 51071717. The reversal of 51071704 is 40717015.

It is a congruent number.

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, 67539 + ... + 68290.

It is an arithmetic number, because the mean of its divisors is an integer number (6112350).

Almost surely, 2^51071704 is an apocalyptic number.

It is an amenable number.

51071704 is a deficient number, since it is larger than the sum of its proper divisors (46725896).

51071704 is a wasteful number, since it uses less digits than its factorization.

51071704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135882 (or 135878 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 51071704 is about 7146.4469493588. The cubic root of 51071704 is about 371.0166924339.

Adding to 51071704 its reverse (40717015), we get a palindrome (91788719).

The spelling of 51071704 in words is "fifty-one million, seventy-one thousand, seven hundred four".