54239387357 has 2 divisors, whose sum is σ = 54239387358. Its totient is φ = 54239387356.

The previous prime is 54239387353. The next prime is 54239387413. The reversal of 54239387357 is 75378393245.

It is an a-pointer prime, because the next prime (54239387413) can be obtained adding 54239387357 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28300996441 + 25938390916 = 168229^2 + 161054^2 .

It is a cyclic number.

It is not a de Polignac number, because 54239387357 - 2² = 54239387353 is a prime.

It is a super-2 number, since 2×54239387357² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54239387353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27119693678 + 27119693679.

It is an arithmetic number, because the mean of its divisors is an integer number (27119693679).

Almost surely, 2^54239387357 is an apocalyptic number.

It is an amenable number.

54239387357 is a deficient number, since it is larger than the sum of its proper divisors (1).

54239387357 is an equidigital number, since it uses as much as digits as its factorization.

54239387357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 56.

The spelling of 54239387357 in words is "fifty-four billion, two hundred thirty-nine million, three hundred eighty-seven thousand, three hundred fifty-seven".