51114140 has 48 divisors (see below), whose sum is σ = 133830144. Its totient is φ = 15931200.

The previous prime is 51114137. The next prime is 51114163. The reversal of 51114140 is 4141115.

51114140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51114140² = 5225310615879200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 15056 + ... + 18135.

It is an arithmetic number, because the mean of its divisors is an integer number (2788128).

Almost surely, 2^51114140 is an apocalyptic number.

It is an amenable number.

51114140 is an abundant number, since it is smaller than the sum of its proper divisors (82716004).

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

51114140 is a wasteful number, since it uses less digits than its factorization.

51114140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33218 (or 33216 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 51114140 is about 7149.4153607131. The cubic root of 51114140 is about 371.1194245040.

Adding to 51114140 its reverse (4141115), we get a palindrome (55255255).

The spelling of 51114140 in words is "fifty-one million, one hundred fourteen thousand, one hundred forty".