51494408 has 32 divisors (see below), whose sum is σ = 116155200. Its totient is φ = 20907072.

The previous prime is 51494393. The next prime is 51494413. The reversal of 51494408 is 80449415.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 23135 + ... + 25262.

It is an arithmetic number, because the mean of its divisors is an integer number (3629850).

Almost surely, 2^51494408 is an apocalyptic number.

It is an amenable number.

51494408 is an abundant number, since it is smaller than the sum of its proper divisors (64660792).

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

51494408 is a wasteful number, since it uses less digits than its factorization.

51494408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48429 (or 48425 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 51494408 is about 7175.9604235252. The cubic root of 51494408 is about 372.0374764726.

The spelling of 51494408 in words is "fifty-one million, four hundred ninety-four thousand, four hundred eight".