51115304 has 32 divisors (see below), whose sum is σ = 98868000. Its totient is φ = 24760512.

The previous prime is 51115297. The next prime is 51115327. The reversal of 51115304 is 40351115.

51115304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51115304² = 5225548606024832, which contains 22 as substring.

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, 47282 + ... + 48350.

It is an arithmetic number, because the mean of its divisors is an integer number (3089625).

Almost surely, 2^51115304 is an apocalyptic number.

It is an amenable number.

51115304 is a deficient number, since it is larger than the sum of its proper divisors (47752696).

51115304 is a wasteful number, since it uses less digits than its factorization.

51115304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51115304 is about 7149.4967655073. The cubic root of 51115304 is about 371.1222415961.

Adding to 51115304 its reverse (40351115), we get a palindrome (91466419).

The spelling of 51115304 in words is "fifty-one million, one hundred fifteen thousand, three hundred four".