51361160 has 32 divisors (see below), whose sum is σ = 116178840. Its totient is φ = 20434944.

The previous prime is 51361157. The next prime is 51361169. The reversal of 51361160 is 6116315.

It is a happy number.

51361160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19166884 + 32194276 = 4378^2 + 5674^2 .

It is not an unprimeable number, because it can be changed into a prime (51361169) by changing a digit.

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, 4394 + ... + 11046.

Almost surely, 2^51361160 is an apocalyptic number.

It is an amenable number.

51361160 is an abundant number, since it is smaller than the sum of its proper divisors (64817680).

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

51361160 is a wasteful number, since it uses less digits than its factorization.

51361160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6857 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51361160 is about 7166.6700775186. The cubic root of 51361160 is about 371.7163019859.

Adding to 51361160 its reverse (6116315), we get a palindrome (57477475).

The spelling of 51361160 in words is "fifty-one million, three hundred sixty-one thousand, one hundred sixty".