54204137189 has 2 divisors, whose sum is σ = 54204137190. Its totient is φ = 54204137188.

The previous prime is 54204137149. The next prime is 54204137227. The reversal of 54204137189 is 98173140245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53295416164 + 908721025 = 230858^2 + 30145^2 .

It is a cyclic number.

It is not a de Polignac number, because 54204137189 - 2¹⁶ = 54204071653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54204137149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27102068594 + 27102068595.

It is an arithmetic number, because the mean of its divisors is an integer number (27102068595).

Almost surely, 2^54204137189 is an apocalyptic number.

It is an amenable number.

54204137189 is a deficient number, since it is larger than the sum of its proper divisors (1).

54204137189 is an equidigital number, since it uses as much as digits as its factorization.

54204137189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 54204137189 in words is "fifty-four billion, two hundred four million, one hundred thirty-seven thousand, one hundred eighty-nine".