51224275 has 12 divisors (see below), whose sum is σ = 64007064. Its totient is φ = 40664000.

The previous prime is 51224249. The next prime is 51224279. The reversal of 51224275 is 57242215.

It is not a de Polignac number, because 51224275 - 2⁹ = 51223763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51224279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4546 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (5333922).

Almost surely, 2^51224275 is an apocalyptic number.

51224275 is a deficient number, since it is larger than the sum of its proper divisors (12782789).

51224275 is a wasteful number, since it uses less digits than its factorization.

51224275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782 (or 15777 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 51224275 is about 7157.1135941803. The cubic root of 51224275 is about 371.3857820882.

The spelling of 51224275 in words is "fifty-one million, two hundred twenty-four thousand, two hundred seventy-five".