51504304 has 10 divisors (see below), whose sum is σ = 99789620. Its totient is φ = 25752144.

The previous prime is 51504301. The next prime is 51504311. The reversal of 51504304 is 40340515.

It is not an unprimeable number, because it can be changed into a prime (51504301) 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, 1609494 + ... + 1609525.

It is an arithmetic number, because the mean of its divisors is an integer number (9978962).

Almost surely, 2^51504304 is an apocalyptic number.

It is an amenable number.

51504304 is a deficient number, since it is larger than the sum of its proper divisors (48285316).

51504304 is a wasteful number, since it uses less digits than its factorization.

51504304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219027 (or 3219021 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 51504304 is about 7176.6499148279. The cubic root of 51504304 is about 372.0613071964.

Adding to 51504304 its reverse (40340515), we get a palindrome (91844819).

The spelling of 51504304 in words is "fifty-one million, five hundred four thousand, three hundred four".