51036604 has 12 divisors (see below), whose sum is σ = 89863144. Its totient is φ = 25361424.

The previous prime is 51036589. The next prime is 51036611. The reversal of 51036604 is 40663015.

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, 38487 + ... + 39790.

Almost surely, 2^51036604 is an apocalyptic number.

It is an amenable number.

51036604 is a deficient number, since it is larger than the sum of its proper divisors (38826540).

51036604 is a wasteful number, since it uses less digits than its factorization.

51036604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78444 (or 78442 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 51036604 is about 7143.9907614722. The cubic root of 51036604 is about 370.9316768617.

Adding to 51036604 its reverse (40663015), we get a palindrome (91699619).

The spelling of 51036604 in words is "fifty-one million, thirty-six thousand, six hundred four".