51120704 has 28 divisors (see below), whose sum is σ = 102071424. Its totient is φ = 25401984.

The previous prime is 51120701. The next prime is 51120731. The reversal of 51120704 is 40702115.

It is a super-2 number, since 2×51120704² = 5226652754911232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51120701) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8297 + ... + 13079.

It is an arithmetic number, because the mean of its divisors is an integer number (3645408).

Almost surely, 2^51120704 is an apocalyptic number.

It is an amenable number.

51120704 is a deficient number, since it is larger than the sum of its proper divisors (50950720).

51120704 is a wasteful number, since it uses less digits than its factorization.

51120704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962 (or 4952 counting only the distinct ones).

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

The square root of 51120704 is about 7149.8744044913. The cubic root of 51120704 is about 371.1353100211.

Adding to 51120704 its reverse (40702115), we get a palindrome (91822819).

The spelling of 51120704 in words is "fifty-one million, one hundred twenty thousand, seven hundred four".