54309757 has 2 divisors, whose sum is σ = 54309758. Its totient is φ = 54309756.

The previous prime is 54309719. The next prime is 54309793. The reversal of 54309757 is 75790345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 25462116 = 5371^2 + 5046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54309757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54309797) 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, 27154878 + 27154879.

It is an arithmetic number, because the mean of its divisors is an integer number (27154879).

Almost surely, 2^54309757 is an apocalyptic number.

It is an amenable number.

54309757 is a deficient number, since it is larger than the sum of its proper divisors (1).

54309757 is an equidigital number, since it uses as much as digits as its factorization.

54309757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 54309757 is about 7369.5153843384. The cubic root of 54309757 is about 378.6976585005.

The spelling of 54309757 in words is "fifty-four million, three hundred nine thousand, seven hundred fifty-seven".