51806160 has 240 divisors, whose sum is σ = 209688960. Its totient is φ = 11197440.

The previous prime is 51806159. The next prime is 51806171. The reversal of 51806160 is 6160815.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95490 + ... + 96030.

It is an arithmetic number, because the mean of its divisors is an integer number (873704).

Almost surely, 2^51806160 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 51806160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104844480).

51806160 is an abundant number, since it is smaller than the sum of its proper divisors (157882800).

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

51806160 is a wasteful number, since it uses less digits than its factorization.

51806160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 51806160 is about 7197.6496163678. The cubic root of 51806160 is about 372.7867497608.

Adding to 51806160 its reverse (6160815), we get a palindrome (57966975).

The spelling of 51806160 in words is "fifty-one million, eight hundred six thousand, one hundred sixty".