51543160 has 32 divisors (see below), whose sum is σ = 117612000. Its totient is φ = 20325760.

The previous prime is 51543131. The next prime is 51543203. The reversal of 51543160 is 6134515.

51543160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 6235 + ... + 11914.

It is an arithmetic number, because the mean of its divisors is an integer number (3675375).

Almost surely, 2^51543160 is an apocalyptic number.

It is an amenable number.

51543160 is an abundant number, since it is smaller than the sum of its proper divisors (66068840).

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

51543160 is a wasteful number, since it uses less digits than its factorization.

51543160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18231 (or 18227 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51543160 is about 7179.3565171260. The cubic root of 51543160 is about 372.1548474706.

Adding to 51543160 its reverse (6134515), we get a palindrome (57677675).

The spelling of 51543160 in words is "fifty-one million, five hundred forty-three thousand, one hundred sixty".