51126230 has 16 divisors (see below), whose sum is σ = 94515120. Its totient is φ = 19897632.

The previous prime is 51126209. The next prime is 51126233. The reversal of 51126230 is 3262115.

It is a super-2 number, since 2×51126230² = 5227782788025800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51126233) 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, 68720 + ... + 69459.

It is an arithmetic number, because the mean of its divisors is an integer number (5907195).

Almost surely, 2^51126230 is an apocalyptic number.

51126230 is a deficient number, since it is larger than the sum of its proper divisors (43388890).

51126230 is a wasteful number, since it uses less digits than its factorization.

51126230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138223.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 51126230 is about 7150.2608344032. The cubic root of 51126230 is about 371.1486824232.

Adding to 51126230 its reverse (3262115), we get a palindrome (54388345).

The spelling of 51126230 in words is "fifty-one million, one hundred twenty-six thousand, two hundred thirty".