543450101 has 4 divisors (see below), whose sum is σ = 575417772. Its totient is φ = 511482432.

The previous prime is 543450059. The next prime is 543450113. The reversal of 543450101 is 101054345.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 394975876 + 148474225 = 19874^2 + 12185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543450101 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543450151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15983810 + ... + 15983843.

It is an arithmetic number, because the mean of its divisors is an integer number (143854443).

Almost surely, 2^543450101 is an apocalyptic number.

It is an amenable number.

543450101 is a deficient number, since it is larger than the sum of its proper divisors (31967671).

543450101 is a wasteful number, since it uses less digits than its factorization.

543450101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31967670.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 543450101 is about 23312.0162362675. The cubic root of 543450101 is about 816.0558666135.

The spelling of 543450101 in words is "five hundred forty-three million, four hundred fifty thousand, one hundred one".