51246404 has 36 divisors (see below), whose sum is σ = 99553692. Its totient is φ = 23063040.

The previous prime is 51246373. The next prime is 51246421. The reversal of 51246404 is 40464215.

51246404 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 2 ways, for example, as 1684804 + 49561600 = 1298^2 + 7040^2 .

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 11 ways as a sum of consecutive naturals, for example, 54224 + ... + 55160.

Almost surely, 2^51246404 is an apocalyptic number.

It is an amenable number.

51246404 is a deficient number, since it is larger than the sum of its proper divisors (48307288).

51246404 is a wasteful number, since it uses less digits than its factorization.

51246404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 51246404 is about 7158.6593716980. The cubic root of 51246404 is about 371.4392542151.

The spelling of 51246404 in words is "fifty-one million, two hundred forty-six thousand, four hundred four".