51441616 has 20 divisors (see below), whose sum is σ = 104002272. Its totient is φ = 24602336.

The previous prime is 51441613. The next prime is 51441619. The reversal of 51441616 is 61614415.

51441616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51441613) and next prime (51441619).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51441613) 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 3 ways as a sum of consecutive naturals, for example, 69526 + ... + 70261.

Almost surely, 2^51441616 is an apocalyptic number.

It is an amenable number.

51441616 is an abundant number, since it is smaller than the sum of its proper divisors (52560656).

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

51441616 is a wasteful number, since it uses less digits than its factorization.

51441616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139818 (or 139812 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 51441616 is about 7172.2810876317. The cubic root of 51441616 is about 371.9102955554.

The spelling of 51441616 in words is "fifty-one million, four hundred forty-one thousand, six hundred sixteen".