51738692 has 6 divisors (see below), whose sum is σ = 90542718. Its totient is φ = 25869344.

The previous prime is 51738647. The next prime is 51738727. The reversal of 51738692 is 29683715.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 4596736 = 6866^2 + 2144^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6467333 + ... + 6467340.

It is an arithmetic number, because the mean of its divisors is an integer number (15090453).

Almost surely, 2^51738692 is an apocalyptic number.

It is an amenable number.

51738692 is a deficient number, since it is larger than the sum of its proper divisors (38804026).

51738692 is a wasteful number, since it uses less digits than its factorization.

51738692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934677 (or 12934675 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 51738692 is about 7192.9612816975. The cubic root of 51738692 is about 372.6248507215.

The spelling of 51738692 in words is "fifty-one million, seven hundred thirty-eight thousand, six hundred ninety-two".