54149773 has 2 divisors, whose sum is σ = 54149774. Its totient is φ = 54149772.

The previous prime is 54149737. The next prime is 54149789. The reversal of 54149773 is 37794145.

Together with previous prime (54149737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37478884 + 16670889 = 6122^2 + 4083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54149773 is a prime.

It is a super-3 number, since 3×54149773³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54119773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27074886 + 27074887.

It is an arithmetic number, because the mean of its divisors is an integer number (27074887).

Almost surely, 2^54149773 is an apocalyptic number.

It is an amenable number.

54149773 is a deficient number, since it is larger than the sum of its proper divisors (1).

54149773 is an equidigital number, since it uses as much as digits as its factorization.

54149773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 54149773 is about 7358.6529337916. The cubic root of 54149773 is about 378.3254408276.

The spelling of 54149773 in words is "fifty-four million, one hundred forty-nine thousand, seven hundred seventy-three".