51366080 has 56 divisors (see below), whose sum is σ = 125193552. Its totient is φ = 20063232.

The previous prime is 51366067. The next prime is 51366103. The reversal of 51366080 is 8066315.

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 7 ways as a sum of consecutive naturals, for example, 11894 + ... + 15626.

Almost surely, 2^51366080 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 51366080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62596776).

51366080 is an abundant number, since it is smaller than the sum of its proper divisors (73827472).

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

51366080 is a wasteful number, since it uses less digits than its factorization.

51366080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 51366080 is about 7167.0133249492. The cubic root of 51366080 is about 371.7281707847.

The spelling of 51366080 in words is "fifty-one million, three hundred sixty-six thousand, eighty".