51772183 has 2 divisors, whose sum is σ = 51772184. Its totient is φ = 51772182.

The previous prime is 51772181. The next prime is 51772187. The reversal of 51772183 is 38127715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51772183 - 2¹ = 51772181 is a prime.

Together with 51772181, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51772181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25886091 + 25886092.

It is an arithmetic number, because the mean of its divisors is an integer number (25886092).

Almost surely, 2^51772183 is an apocalyptic number.

51772183 is a deficient number, since it is larger than the sum of its proper divisors (1).

51772183 is an equidigital number, since it uses as much as digits as its factorization.

51772183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 34.

The square root of 51772183 is about 7195.2889448583. The cubic root of 51772183 is about 372.7052347091.

Adding to 51772183 its reverse (38127715), we get a palindrome (89899898).

The spelling of 51772183 in words is "fifty-one million, seven hundred seventy-two thousand, one hundred eighty-three".