54542153191 has 2 divisors, whose sum is σ = 54542153192. Its totient is φ = 54542153190.

The previous prime is 54542153161. The next prime is 54542153209. The reversal of 54542153191 is 19135124545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54542153191 is a prime.

It is a super-2 number, since 2×54542153191² (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 (54542153161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27271076595 + 27271076596.

It is an arithmetic number, because the mean of its divisors is an integer number (27271076596).

Almost surely, 2^54542153191 is an apocalyptic number.

54542153191 is a deficient number, since it is larger than the sum of its proper divisors (1).

54542153191 is an equidigital number, since it uses as much as digits as its factorization.

54542153191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 40.

The spelling of 54542153191 in words is "fifty-four billion, five hundred forty-two million, one hundred fifty-three thousand, one hundred ninety-one".