51310204 has 12 divisors (see below), whose sum is σ = 97955928. Its totient is φ = 23322800.

The previous prime is 51310183. The next prime is 51310213. The reversal of 51310204 is 40201315.

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, 583027 + ... + 583114.

It is an arithmetic number, because the mean of its divisors is an integer number (8162994).

Almost surely, 2^51310204 is an apocalyptic number.

It is an amenable number.

51310204 is a deficient number, since it is larger than the sum of its proper divisors (46645724).

51310204 is a wasteful number, since it uses less digits than its factorization.

51310204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166156 (or 1166154 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51310204 is about 7163.1141272494. The cubic root of 51310204 is about 371.5933332987.

Adding to 51310204 its reverse (40201315), we get a palindrome (91511519).

Subtracting from 51310204 its reverse (40201315), we obtain a square (11108889 = 3333²).

The spelling of 51310204 in words is "fifty-one million, three hundred ten thousand, two hundred four".