51738164 has 24 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 25135136.

The previous prime is 51738161. The next prime is 51738179. The reversal of 51738164 is 46183715.

51738164 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 2×51738164² = 5353675228181792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51738161) 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, 27089 + ... + 28935.

It is an arithmetic number, because the mean of its divisors is an integer number (3880800).

Almost surely, 2^51738164 is an apocalyptic number.

It is an amenable number.

51738164 is a deficient number, since it is larger than the sum of its proper divisors (41401036).

51738164 is a wasteful number, since it uses less digits than its factorization.

51738164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2045 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 51738164 is about 7192.9245790568. The cubic root of 51738164 is about 372.6235831557.

The spelling of 51738164 in words is "fifty-one million, seven hundred thirty-eight thousand, one hundred sixty-four".