54981543311 has 2 divisors, whose sum is σ = 54981543312. Its totient is φ = 54981543310.

The previous prime is 54981543271. The next prime is 54981543317. The reversal of 54981543311 is 11334518945.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54981543311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54981543317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27490771655 + 27490771656.

It is an arithmetic number, because the mean of its divisors is an integer number (27490771656).

Almost surely, 2^54981543311 is an apocalyptic number.

54981543311 is a deficient number, since it is larger than the sum of its proper divisors (1).

54981543311 is an equidigital number, since it uses as much as digits as its factorization.

54981543311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The spelling of 54981543311 in words is "fifty-four billion, nine hundred eighty-one million, five hundred forty-three thousand, three hundred eleven".