51880880 has 40 divisors (see below), whose sum is σ = 122164800. Its totient is φ = 20487168.

The previous prime is 51880879. The next prime is 51880987. The reversal of 51880880 is 8808815.

51880880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (3054120).

Almost surely, 2^51880880 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 51880880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61082400).

51880880 is an abundant number, since it is smaller than the sum of its proper divisors (70283920).

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

51880880 is a wasteful number, since it uses less digits than its factorization.

51880880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301 (or 8295 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 38.

The square root of 51880880 is about 7202.8383294365. The cubic root of 51880880 is about 372.9658870493.

The spelling of 51880880 in words is "fifty-one million, eight hundred eighty thousand, eight hundred eighty".