51144160 has 48 divisors (see below), whose sum is σ = 127942416. Its totient is φ = 19253248.

The previous prime is 51144133. The next prime is 51144187. The reversal of 51144160 is 6144115.

It is an interprime number because it is at equal distance from previous prime (51144133) and next prime (51144187).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6682 + ... + 12121.

It is an arithmetic number, because the mean of its divisors is an integer number (2665467).

Almost surely, 2^51144160 is an apocalyptic number.

It is an amenable number.

51144160 is an abundant number, since it is smaller than the sum of its proper divisors (76798256).

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

51144160 is a wasteful number, since it uses less digits than its factorization.

51144160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18835 (or 18827 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 51144160 is about 7151.5145249101. The cubic root of 51144160 is about 371.1920647085.

Adding to 51144160 its reverse (6144115), we get a palindrome (57288275).

The spelling of 51144160 in words is "fifty-one million, one hundred forty-four thousand, one hundred sixty".