51174272 has 32 divisors (see below), whose sum is σ = 102275400. Its totient is φ = 25505280.

The previous prime is 51174271. The next prime is 51174281. The reversal of 51174272 is 27247115.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×51174272² = 5237612229459968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174271) 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, 68879 + ... + 69617.

Almost surely, 2^51174272 is an apocalyptic number.

It is an amenable number.

51174272 is a deficient number, since it is larger than the sum of its proper divisors (51101128).

51174272 is an equidigital number, since it uses as much as digits as its factorization.

51174272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1282 counting only the distinct ones).

The product of its digits is 3920, while the sum is 29.

The square root of 51174272 is about 7153.6195034402. The cubic root of 51174272 is about 371.2648989777.

The spelling of 51174272 in words is "fifty-one million, one hundred seventy-four thousand, two hundred seventy-two".