51411904 has 14 divisors (see below), whose sum is σ = 102020624. Its totient is φ = 25705920.

The previous prime is 51411901. The next prime is 51411917. The reversal of 51411904 is 40911415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51411901) 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 as a sum of consecutive naturals, namely, 401592 + ... + 401719.

Almost surely, 2^51411904 is an apocalyptic number.

It is an amenable number.

51411904 is a deficient number, since it is larger than the sum of its proper divisors (50608720).

51411904 is an equidigital number, since it uses as much as digits as its factorization.

51411904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803323 (or 803313 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 51411904 is about 7170.2094809008. The cubic root of 51411904 is about 371.8386782688.

The spelling of 51411904 in words is "fifty-one million, four hundred eleven thousand, nine hundred four".