54215401589 has 2 divisors, whose sum is σ = 54215401590. Its totient is φ = 54215401588.

The previous prime is 54215401529. The next prime is 54215401609. The reversal of 54215401589 is 98510451245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45443580625 + 8771820964 = 213175^2 + 93658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54215401589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54215401519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27107700794 + 27107700795.

It is an arithmetic number, because the mean of its divisors is an integer number (27107700795).

Almost surely, 2^54215401589 is an apocalyptic number.

It is an amenable number.

54215401589 is a deficient number, since it is larger than the sum of its proper divisors (1).

54215401589 is an equidigital number, since it uses as much as digits as its factorization.

54215401589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 54215401589 in words is "fifty-four billion, two hundred fifteen million, four hundred one thousand, five hundred eighty-nine".