54723131 has 2 divisors, whose sum is σ = 54723132. Its totient is φ = 54723130.

The previous prime is 54723127. The next prime is 54723167. The reversal of 54723131 is 13132745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54723131 - 2² = 54723127 is a prime.

It is a super-2 number, since 2×54723131² = 5989242132886322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54723131.

It is not a weakly prime, because it can be changed into another prime (54723101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27361565 + 27361566.

It is an arithmetic number, because the mean of its divisors is an integer number (27361566).

Almost surely, 2^54723131 is an apocalyptic number.

54723131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54723131 is an equidigital number, since it uses as much as digits as its factorization.

54723131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 54723131 is about 7397.5084318979. The cubic root of 54723131 is about 379.6560391698.

Adding to 54723131 its reverse (13132745), we get a palindrome (67855876).

The spelling of 54723131 in words is "fifty-four million, seven hundred twenty-three thousand, one hundred thirty-one".