51184680 has 64 divisors (see below), whose sum is σ = 155684160. Its totient is φ = 13459968.

The previous prime is 51184667. The next prime is 51184699. The reversal of 51184680 is 8648115.

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, 5839 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (2432565).

Almost surely, 2^51184680 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 51184680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77842080).

51184680 is an abundant number, since it is smaller than the sum of its proper divisors (104499480).

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

51184680 is a wasteful number, since it uses less digits than its factorization.

51184680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930 (or 5926 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 51184680 is about 7154.3469303634. The cubic root of 51184680 is about 371.2900669836.

The spelling of 51184680 in words is "fifty-one million, one hundred eighty-four thousand, six hundred eighty".