51165272 has 16 divisors (see below), whose sum is σ = 97561800. Its totient is φ = 25148800.

The previous prime is 51165229. The next prime is 51165277. The reversal of 51165272 is 27256115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51165277) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53729 + ... + 54672.

Almost surely, 2^51165272 is an apocalyptic number.

It is an amenable number.

51165272 is a deficient number, since it is larger than the sum of its proper divisors (46396528).

51165272 is a wasteful number, since it uses less digits than its factorization.

51165272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108466 (or 108462 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 51165272 is about 7152.9904235921. The cubic root of 51165272 is about 371.2431329622.

The spelling of 51165272 in words is "fifty-one million, one hundred sixty-five thousand, two hundred seventy-two".