51676880 has 40 divisors (see below), whose sum is σ = 121090464. Its totient is φ = 20508800.

The previous prime is 51676873. The next prime is 51676909. The reversal of 51676880 is 8867615.

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

It is a congruent number.

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, 8015 + ... + 12945.

Almost surely, 2^51676880 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 51676880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60545232).

51676880 is an abundant number, since it is smaller than the sum of its proper divisors (69413584).

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

51676880 is a wasteful number, since it uses less digits than its factorization.

51676880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075 (or 5069 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 51676880 is about 7188.6632971645. The cubic root of 51676880 is about 372.4764004688.

The spelling of 51676880 in words is "fifty-one million, six hundred seventy-six thousand, eight hundred eighty".