51356304 has 60 divisors (see below), whose sum is σ = 145898896. Its totient is φ = 16860096.

The previous prime is 51356287. The next prime is 51356339. The reversal of 51356304 is 40365315.

51356304 is a `hidden beast` number, since 5 + 1 + 356 + 304 = 666.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 6987 + ... + 12309.

Almost surely, 2^51356304 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 51356304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72949448).

51356304 is an abundant number, since it is smaller than the sum of its proper divisors (94542592).

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

51356304 is a wasteful number, since it uses less digits than its factorization.

51356304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 51356304 is about 7166.3312789739. The cubic root of 51356304 is about 371.7045868348.

The spelling of 51356304 in words is "fifty-one million, three hundred fifty-six thousand, three hundred four".