51062231 has 8 divisors (see below), whose sum is σ = 58126464. Its totient is φ = 44401720.

The previous prime is 51062227. The next prime is 51062233. The reversal of 51062231 is 13226015.

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

It is not a de Polignac number, because 51062231 - 2² = 51062227 is a prime.

It is a super-2 number, since 2×51062231² = 5214702869394722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51062233) 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, 100661 + ... + 101166.

It is an arithmetic number, because the mean of its divisors is an integer number (7265808).

Almost surely, 2^51062231 is an apocalyptic number.

51062231 is a deficient number, since it is larger than the sum of its proper divisors (7064233).

51062231 is a wasteful number, since it uses less digits than its factorization.

51062231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201861.

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

The square root of 51062231 is about 7145.7841417160. The cubic root of 51062231 is about 370.9937517565.

Adding to 51062231 its reverse (13226015), we get a palindrome (64288246).

It can be divided in two parts, 5106 and 2231, that added together give a palindrome (7337).

The spelling of 51062231 in words is "fifty-one million, sixty-two thousand, two hundred thirty-one".