54519757 has 2 divisors, whose sum is σ = 54519758. Its totient is φ = 54519756.

The previous prime is 54519749. The next prime is 54519763. The reversal of 54519757 is 75791545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31036041 + 23483716 = 5571^2 + 4846^2 .

It is a cyclic number.

It is not a de Polignac number, because 54519757 - 2³ = 54519749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54511757) 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, 27259878 + 27259879.

It is an arithmetic number, because the mean of its divisors is an integer number (27259879).

Almost surely, 2^54519757 is an apocalyptic number.

It is an amenable number.

54519757 is a deficient number, since it is larger than the sum of its proper divisors (1).

54519757 is an equidigital number, since it uses as much as digits as its factorization.

54519757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220500, while the sum is 43.

The square root of 54519757 is about 7383.7495217538. The cubic root of 54519757 is about 379.1851352166.

It can be divided in two parts, 545 and 19757, that added together give a palindrome (20302).

The spelling of 54519757 in words is "fifty-four million, five hundred nineteen thousand, seven hundred fifty-seven".