51449304 has 32 divisors (see below), whose sum is σ = 128801520. Its totient is φ = 17126016.

The previous prime is 51449287. The next prime is 51449317. The reversal of 51449304 is 40394415.

It is a congruent 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, 28822 + ... + 30554.

Almost surely, 2^51449304 is an apocalyptic number.

It is an amenable number.

51449304 is an abundant number, since it is smaller than the sum of its proper divisors (77352216).

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

51449304 is a wasteful number, since it uses less digits than its factorization.

51449304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 51449304 is about 7172.8170198326. The cubic root of 51449304 is about 371.9288220853.

The spelling of 51449304 in words is "fifty-one million, four hundred forty-nine thousand, three hundred four".