51071204 has 12 divisors (see below), whose sum is σ = 92456700. Its totient is φ = 24655008.

The previous prime is 51071197. The next prime is 51071227. The reversal of 51071204 is 40217015.

It can be written as a sum of positive squares in 2 ways, for example, as 41473600 + 9597604 = 6440^2 + 3098^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 220019 + ... + 220250.

It is an arithmetic number, because the mean of its divisors is an integer number (7704725).

Almost surely, 2^51071204 is an apocalyptic number.

It is an amenable number.

51071204 is a deficient number, since it is larger than the sum of its proper divisors (41385496).

51071204 is a wasteful number, since it uses less digits than its factorization.

51071204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440302 (or 440300 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51071204 is about 7146.4119668544. The cubic root of 51071204 is about 371.0154816594.

Adding to 51071204 its reverse (40217015), we get a palindrome (91288219).

The spelling of 51071204 in words is "fifty-one million, seventy-one thousand, two hundred four".