51050231 has 8 divisors (see below), whose sum is σ = 51756000. Its totient is φ = 50349600.

The previous prime is 51050213. The next prime is 51050239. The reversal of 51050231 is 13205015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51050231 is a prime.

It is a super-2 number, since 2×51050231² = 5212252170306722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21365 + ... + 23633.

It is an arithmetic number, because the mean of its divisors is an integer number (6469500).

Almost surely, 2^51050231 is an apocalyptic number.

51050231 is a deficient number, since it is larger than the sum of its proper divisors (705769).

51050231 is a wasteful number, since it uses less digits than its factorization.

51050231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51050231 is about 7144.9444364530. The cubic root of 51050231 is about 370.9646873925.

Adding to 51050231 its reverse (13205015), we get a palindrome (64255246).

The spelling of 51050231 in words is "fifty-one million, fifty thousand, two hundred thirty-one".