51080304 has 80 divisors (see below), whose sum is σ = 145704960. Its totient is φ = 15290880.

The previous prime is 51080279. The next prime is 51080317. The reversal of 51080304 is 40308015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46449 + ... + 47535.

It is an arithmetic number, because the mean of its divisors is an integer number (1821312).

Almost surely, 2^51080304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51080304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72852480).

51080304 is an abundant number, since it is smaller than the sum of its proper divisors (94624656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51080304 is a wasteful number, since it uses less digits than its factorization.

51080304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 51080304 is about 7147.0486216340. The cubic root of 51080304 is about 371.0375165186.

Adding to 51080304 its reverse (40308015), we get a palindrome (91388319).

The spelling of 51080304 in words is "fifty-one million, eighty thousand, three hundred four".