54744557731 has 2 divisors, whose sum is σ = 54744557732. Its totient is φ = 54744557730.

The previous prime is 54744557719. The next prime is 54744557737. The reversal of 54744557731 is 13775544745.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54744557731 - 2⁷ = 54744557603 is a prime.

It is a super-4 number, since 4×54744557731⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is not a weakly prime, because it can be changed into another prime (54744557737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27372278865 + 27372278866.

It is an arithmetic number, because the mean of its divisors is an integer number (27372278866).

Almost surely, 2^54744557731 is an apocalyptic number.

54744557731 is a deficient number, since it is larger than the sum of its proper divisors (1).

54744557731 is an equidigital number, since it uses as much as digits as its factorization.

54744557731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8232000, while the sum is 52.

The spelling of 54744557731 in words is "fifty-four billion, seven hundred forty-four million, five hundred fifty-seven thousand, seven hundred thirty-one".