51286304 has 12 divisors (see below), whose sum is σ = 100969974. Its totient is φ = 25643136.

The previous prime is 51286271. The next prime is 51286321. The reversal of 51286304 is 40368215.

It can be written as a sum of positive squares in only one way, i.e., 42876304 + 8410000 = 6548^2 + 2900^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801317 + ... + 801380.

Almost surely, 2^51286304 is an apocalyptic number.

It is an amenable number.

51286304 is a deficient number, since it is larger than the sum of its proper divisors (49683670).

51286304 is a wasteful number, since it uses less digits than its factorization.

51286304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602707 (or 1602699 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 51286304 is about 7161.4456641100. The cubic root of 51286304 is about 371.5356289875.

The spelling of 51286304 in words is "fifty-one million, two hundred eighty-six thousand, three hundred four".