54771131 has 2 divisors, whose sum is σ = 54771132. Its totient is φ = 54771130.

The previous prime is 54771113. The next prime is 54771133. The reversal of 54771131 is 13117745.

Together with previous prime (54771113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54771131 - 2¹⁴ = 54754747 is a prime.

It is a super-2 number, since 2×54771131² = 5999753582038322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 54771133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54771094 and 54771103.

It is not a weakly prime, because it can be changed into another prime (54771133) 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 as a sum of consecutive naturals, namely, 27385565 + 27385566.

It is an arithmetic number, because the mean of its divisors is an integer number (27385566).

Almost surely, 2^54771131 is an apocalyptic number.

54771131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54771131 is an equidigital number, since it uses as much as digits as its factorization.

54771131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 54771131 is about 7400.7520563791. The cubic root of 54771131 is about 379.7670109164.

Adding to 54771131 its reverse (13117745), we get a palindrome (67888876).

The spelling of 54771131 in words is "fifty-four million, seven hundred seventy-one thousand, one hundred thirty-one".