54213031597 has 2 divisors, whose sum is σ = 54213031598. Its totient is φ = 54213031596.

The previous prime is 54213031571. The next prime is 54213031657. The reversal of 54213031597 is 79513031245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34871454121 + 19341577476 = 186739^2 + 139074^2 .

It is a cyclic number.

It is not a de Polignac number, because 54213031597 - 2³¹ = 52065547949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54213031507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27106515798 + 27106515799.

It is an arithmetic number, because the mean of its divisors is an integer number (27106515799).

Almost surely, 2^54213031597 is an apocalyptic number.

It is an amenable number.

54213031597 is a deficient number, since it is larger than the sum of its proper divisors (1).

54213031597 is an equidigital number, since it uses as much as digits as its factorization.

54213031597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 54213031597 in words is "fifty-four billion, two hundred thirteen million, thirty-one thousand, five hundred ninety-seven".