54126749 has 2 divisors, whose sum is σ = 54126750. Its totient is φ = 54126748.

The previous prime is 54126689. The next prime is 54126757. The reversal of 54126749 is 94762145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32205625 + 21921124 = 5675^2 + 4682^2 .

It is a cyclic number.

It is not a de Polignac number, because 54126749 - 2⁸ = 54126493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54126349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27063374 + 27063375.

It is an arithmetic number, because the mean of its divisors is an integer number (27063375).

Almost surely, 2^54126749 is an apocalyptic number.

It is an amenable number.

54126749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54126749 is an equidigital number, since it uses as much as digits as its factorization.

54126749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 54126749 is about 7357.0883506996. The cubic root of 54126749 is about 378.2718130263.

The spelling of 54126749 in words is "fifty-four million, one hundred twenty-six thousand, seven hundred forty-nine".