51006283 has 4 divisors (see below), whose sum is σ = 51109000. Its totient is φ = 50903568.

The previous prime is 51006217. The next prime is 51006289. The reversal of 51006283 is 38260015.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51006283 - 2⁹ = 51005771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51006289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50610 + ... + 51607.

It is an arithmetic number, because the mean of its divisors is an integer number (12777250).

Almost surely, 2^51006283 is an apocalyptic number.

51006283 is a deficient number, since it is larger than the sum of its proper divisors (102717).

51006283 is a wasteful number, since it uses less digits than its factorization.

51006283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102716.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51006283 is about 7141.8683129837. The cubic root of 51006283 is about 370.8582051014.

Adding to 51006283 its reverse (38260015), we get a palindrome (89266298).

The spelling of 51006283 in words is "fifty-one million, six thousand, two hundred eighty-three".