51104072 has 16 divisors (see below), whose sum is σ = 100863600. Its totient is φ = 24207120.

The previous prime is 51104063. The next prime is 51104077. The reversal of 51104072 is 27040115.

It is a super-2 number, since 2×51104072² = 5223252349962368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51104077) by changing a digit.

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, 167954 + ... + 168257.

It is an arithmetic number, because the mean of its divisors is an integer number (6303975).

Almost surely, 2^51104072 is an apocalyptic number.

It is an amenable number.

51104072 is a deficient number, since it is larger than the sum of its proper divisors (49759528).

51104072 is a wasteful number, since it uses less digits than its factorization.

51104072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336236 (or 336232 counting only the distinct ones).

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

The square root of 51104072 is about 7148.7112125194. The cubic root of 51104072 is about 371.0950563238.

Adding to 51104072 its reverse (27040115), we get a palindrome (78144187).

The spelling of 51104072 in words is "fifty-one million, one hundred four thousand, seventy-two".