54797420905597 has 2 divisors, whose sum is σ = 54797420905598. Its totient is φ = 54797420905596.

The previous prime is 54797420905531. The next prime is 54797420905637. The reversal of 54797420905597 is 79550902479745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40835435648121 + 13961985257476 = 6390261^2 + 3736574^2 .

It is a cyclic number.

It is not a de Polignac number, because 54797420905597 - 2²³ = 54797412516989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54797420905897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27398710452798 + 27398710452799.

It is an arithmetic number, because the mean of its divisors is an integer number (27398710452799).

Almost surely, 2^{54797420905597} is an apocalyptic number.

It is an amenable number.

54797420905597 is a deficient number, since it is larger than the sum of its proper divisors (1).

54797420905597 is an equidigital number, since it uses as much as digits as its factorization.

54797420905597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000188000, while the sum is 73.

The spelling of 54797420905597 in words is "fifty-four trillion, seven hundred ninety-seven billion, four hundred twenty million, nine hundred five thousand, five hundred ninety-seven".