51361448 has 16 divisors (see below), whose sum is σ = 96461280. Its totient is φ = 25638448.

The previous prime is 51361433. The next prime is 51361469. The reversal of 51361448 is 84416315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 10137.

It is an arithmetic number, because the mean of its divisors is an integer number (6028830).

Almost surely, 2^51361448 is an apocalyptic number.

It is an amenable number.

51361448 is a deficient number, since it is larger than the sum of its proper divisors (45099832).

51361448 is a wasteful number, since it uses less digits than its factorization.

51361448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10576 (or 10572 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 51361448 is about 7166.6901705041. The cubic root of 51361448 is about 371.7169967658.

The spelling of 51361448 in words is "fifty-one million, three hundred sixty-one thousand, four hundred forty-eight".