51304612 has 24 divisors (see below), whose sum is σ = 92363040. Its totient is φ = 24920640.

The previous prime is 51304601. The next prime is 51304621. The reversal of 51304612 is 21640315.

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, 49839 + ... + 50857.

It is an arithmetic number, because the mean of its divisors is an integer number (3848460).

Almost surely, 2^51304612 is an apocalyptic number.

It is an amenable number.

51304612 is a deficient number, since it is larger than the sum of its proper divisors (41058428).

51304612 is a wasteful number, since it uses less digits than its factorization.

51304612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51304612 is about 7162.7237835896. The cubic root of 51304612 is about 371.5798335446.

Adding to 51304612 its reverse (21640315), we get a palindrome (72944927).

The spelling of 51304612 in words is "fifty-one million, three hundred four thousand, six hundred twelve".