51744692 has 6 divisors (see below), whose sum is σ = 90553218. Its totient is φ = 25872344.

The previous prime is 51744661. The next prime is 51744701. The reversal of 51744692 is 29644715.

It can be written as a sum of positive squares in only one way, i.e., 35952016 + 15792676 = 5996^2 + 3974^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468083 + ... + 6468090.

It is an arithmetic number, because the mean of its divisors is an integer number (15092203).

Almost surely, 2^51744692 is an apocalyptic number.

It is an amenable number.

51744692 is a deficient number, since it is larger than the sum of its proper divisors (38808526).

51744692 is a wasteful number, since it uses less digits than its factorization.

51744692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936177 (or 12936175 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 51744692 is about 7193.3783440050. The cubic root of 51744692 is about 372.6392542727.

The spelling of 51744692 in words is "fifty-one million, seven hundred forty-four thousand, six hundred ninety-two".