54239387353 has 2 divisors, whose sum is σ = 54239387354. Its totient is φ = 54239387352.

The previous prime is 54239387339. The next prime is 54239387357. The reversal of 54239387353 is 35378393245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41512840009 + 12726547344 = 203747^2 + 112812^2 .

It is a cyclic number.

It is not a de Polignac number, because 54239387353 - 2⁹ = 54239386841 is a prime.

It is a super-2 number, since 2×54239387353² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54239387353.

It is not a weakly prime, because it can be changed into another prime (54239387357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27119693676 + 27119693677.

It is an arithmetic number, because the mean of its divisors is an integer number (27119693677).

Almost surely, 2^54239387353 is an apocalyptic number.

It is an amenable number.

54239387353 is a deficient number, since it is larger than the sum of its proper divisors (1).

54239387353 is an equidigital number, since it uses as much as digits as its factorization.

54239387353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 52.

The spelling of 54239387353 in words is "fifty-four billion, two hundred thirty-nine million, three hundred eighty-seven thousand, three hundred fifty-three".