51304304 has 10 divisors (see below), whose sum is σ = 99402120. Its totient is φ = 25652144.

The previous prime is 51304291. The next prime is 51304333. The reversal of 51304304 is 40340315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603244 + ... + 1603275.

It is an arithmetic number, because the mean of its divisors is an integer number (9940212).

Almost surely, 2^51304304 is an apocalyptic number.

It is an amenable number.

51304304 is a deficient number, since it is larger than the sum of its proper divisors (48097816).

51304304 is a wasteful number, since it uses less digits than its factorization.

51304304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206527 (or 3206521 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 51304304 is about 7162.7022833565. The cubic root of 51304304 is about 371.5790899674.

Adding to 51304304 its reverse (40340315), we get a palindrome (91644619).

The spelling of 51304304 in words is "fifty-one million, three hundred four thousand, three hundred four".