51304626 has 12 divisors (see below), whose sum is σ = 111160062. Its totient is φ = 17101536.

The previous prime is 51304621. The next prime is 51304637. The reversal of 51304626 is 62640315.

51304626 is a `hidden beast` number, since 5 + 1 + 30 + 4 + 626 = 666.

51304626 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 only one way, i.e., 38452401 + 12852225 = 6201^2 + 3585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51304626.

It is not an unprimeable number, because it can be changed into a prime (51304621) by changing a digit.

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, 1425111 + ... + 1425146.

Almost surely, 2^51304626 is an apocalyptic number.

51304626 is an abundant number, since it is smaller than the sum of its proper divisors (59855436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51304626 is a wasteful number, since it uses less digits than its factorization.

51304626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850265 (or 2850262 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 51304626 is about 7162.7247608714. The cubic root of 51304626 is about 371.5798673435.

The spelling of 51304626 in words is "fifty-one million, three hundred four thousand, six hundred twenty-six".