51065230 has 16 divisors (see below), whose sum is σ = 95087520. Its totient is φ = 19721632.

The previous prime is 51065177. The next prime is 51065233. The reversal of 51065230 is 3256015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51065233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87754 + ... + 88333.

It is an arithmetic number, because the mean of its divisors is an integer number (5942970).

Almost surely, 2^51065230 is an apocalyptic number.

51065230 is a deficient number, since it is larger than the sum of its proper divisors (44022290).

51065230 is a wasteful number, since it uses less digits than its factorization.

51065230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176123.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51065230 is about 7145.9939826451. The cubic root of 51065230 is about 371.0010147143.

The spelling of 51065230 in words is "fifty-one million, sixty-five thousand, two hundred thirty".