51104225 has 6 divisors (see below), whose sum is σ = 63369270. Its totient is φ = 40883360.

The previous prime is 51104219. The next prime is 51104239. The reversal of 51104225 is 52240115.

51104225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1669264 + 49434961 = 1292^2 + 7031^2 .

It is not a de Polignac number, because 51104225 - 2¹⁰ = 51103201 is a prime.

It is a super-2 number, since 2×51104225² = 5223283625701250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51104197 and 51104206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1022060 + ... + 1022109.

It is an arithmetic number, because the mean of its divisors is an integer number (10561545).

Almost surely, 2^51104225 is an apocalyptic number.

It is an amenable number.

51104225 is a deficient number, since it is larger than the sum of its proper divisors (12265045).

51104225 is a wasteful number, since it uses less digits than its factorization.

51104225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044179 (or 2044174 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 51104225 is about 7148.7219137409. The cubic root of 51104225 is about 371.0954266628.

The spelling of 51104225 in words is "fifty-one million, one hundred four thousand, two hundred twenty-five".