51394592 has 12 divisors (see below), whose sum is σ = 101183166. Its totient is φ = 25697280.

The previous prime is 51394579. The next prime is 51394613. The reversal of 51394592 is 29549315.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 10995856 = 6356^2 + 3316^2 .

It is a pancake number, because a pancake can be divided into 51394592 parts by 10138 straight cuts.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803009 + ... + 803072.

Almost surely, 2^51394592 is an apocalyptic number.

It is an amenable number.

51394592 is a deficient number, since it is larger than the sum of its proper divisors (49788574).

51394592 is a wasteful number, since it uses less digits than its factorization.

51394592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606091 (or 1606083 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 51394592 is about 7169.0021620864. The cubic root of 51394592 is about 371.7969370028.

The spelling of 51394592 in words is "fifty-one million, three hundred ninety-four thousand, five hundred ninety-two".