51742183 has 2 divisors, whose sum is σ = 51742184. Its totient is φ = 51742182.

The previous prime is 51742147. The next prime is 51742241. The reversal of 51742183 is 38124715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51742183 - 2⁹ = 51741671 is a prime.

It is equal to p_3099262 and since 51742183 and 3099262 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51742133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25871091 + 25871092.

It is an arithmetic number, because the mean of its divisors is an integer number (25871092).

Almost surely, 2^51742183 is an apocalyptic number.

51742183 is a deficient number, since it is larger than the sum of its proper divisors (1).

51742183 is an equidigital number, since it uses as much as digits as its factorization.

51742183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 51742183 is about 7193.2039453918. The cubic root of 51742183 is about 372.6332313232.

Adding to 51742183 its reverse (38124715), we get a palindrome (89866898).

The spelling of 51742183 in words is "fifty-one million, seven hundred forty-two thousand, one hundred eighty-three".