51745996 has 12 divisors (see below), whose sum is σ = 91217448. Its totient is φ = 25683872.

The previous prime is 51745979. The next prime is 51746003. The reversal of 51745996 is 69954715.

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, 46666 + ... + 47761.

It is an arithmetic number, because the mean of its divisors is an integer number (7601454).

Almost surely, 2^51745996 is an apocalyptic number.

It is an amenable number.

51745996 is a deficient number, since it is larger than the sum of its proper divisors (39471452).

51745996 is a wasteful number, since it uses less digits than its factorization.

51745996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94568 (or 94566 counting only the distinct ones).

The product of its digits is 340200, while the sum is 46.

The square root of 51745996 is about 7193.4689823478. The cubic root of 51745996 is about 372.6423844972.

The spelling of 51745996 in words is "fifty-one million, seven hundred forty-five thousand, nine hundred ninety-six".