54442757 has 2 divisors, whose sum is σ = 54442758. Its totient is φ = 54442756.

The previous prime is 54442747. The next prime is 54442763. The reversal of 54442757 is 75724445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28238596 + 26204161 = 5314^2 + 5119^2 .

It is a cyclic number.

It is not a de Polignac number, because 54442757 - 2⁶ = 54442693 is a prime.

It is a super-2 number, since 2×54442757² = 5928027579522098, 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 54442757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54442747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27221378 + 27221379.

It is an arithmetic number, because the mean of its divisors is an integer number (27221379).

Almost surely, 2^54442757 is an apocalyptic number.

It is an amenable number.

54442757 is a deficient number, since it is larger than the sum of its proper divisors (1).

54442757 is an equidigital number, since it uses as much as digits as its factorization.

54442757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 38.

The square root of 54442757 is about 7378.5335263858. The cubic root of 54442757 is about 379.0065393385.

The spelling of 54442757 in words is "fifty-four million, four hundred forty-two thousand, seven hundred fifty-seven".