51105304 has 32 divisors (see below), whose sum is σ = 97812000. Its totient is φ = 25028352.

The previous prime is 51105289. The next prime is 51105317. The reversal of 51105304 is 40350115.

It is a super-2 number, since 2×51105304² = 5223504193864832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89532 + ... + 90100.

It is an arithmetic number, because the mean of its divisors is an integer number (3056625).

Almost surely, 2^51105304 is an apocalyptic number.

It is an amenable number.

51105304 is a deficient number, since it is larger than the sum of its proper divisors (46706696).

51105304 is a wasteful number, since it uses less digits than its factorization.

51105304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51105304 is about 7148.7973813782. The cubic root of 51105304 is about 371.0980383787.

Adding to 51105304 its reverse (40350115), we get a palindrome (91455419).

The spelling of 51105304 in words is "fifty-one million, one hundred five thousand, three hundred four".