51412404 has 24 divisors (see below), whose sum is σ = 126276640. Its totient is φ = 16235424.

The previous prime is 51412397. The next prime is 51412411. The reversal of 51412404 is 40421415.

It is a happy number.

51412404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51412397) and next prime (51412411).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 112519 + ... + 112974.

Almost surely, 2^51412404 is an apocalyptic number.

It is an amenable number.

51412404 is an abundant number, since it is smaller than the sum of its proper divisors (74864236).

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

51412404 is a wasteful number, since it uses less digits than its factorization.

51412404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225519 (or 225517 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 51412404 is about 7170.2443473009. The cubic root of 51412404 is about 371.8398836883.

Adding to 51412404 its reverse (40421415), we get a palindrome (91833819).

The spelling of 51412404 in words is "fifty-one million, four hundred twelve thousand, four hundred four".