54543234533 has 2 divisors, whose sum is σ = 54543234534. Its totient is φ = 54543234532.

The previous prime is 54543234527. The next prime is 54543234547. The reversal of 54543234533 is 33543234545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37279114084 + 17264120449 = 193078^2 + 131393^2 .

It is a cyclic number.

It is not a de Polignac number, because 54543234533 - 2²⁸ = 54274799077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54543234593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27271617266 + 27271617267.

It is an arithmetic number, because the mean of its divisors is an integer number (27271617267).

Almost surely, 2^54543234533 is an apocalyptic number.

It is an amenable number.

54543234533 is a deficient number, since it is larger than the sum of its proper divisors (1).

54543234533 is an equidigital number, since it uses as much as digits as its factorization.

54543234533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 41.

The spelling of 54543234533 in words is "fifty-four billion, five hundred forty-three million, two hundred thirty-four thousand, five hundred thirty-three".