54209101 has 2 divisors, whose sum is σ = 54209102. Its totient is φ = 54209100.

The previous prime is 54209087. The next prime is 54209153. The reversal of 54209101 is 10190245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45239076 + 8970025 = 6726^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 54209101 - 2¹⁵ = 54176333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54209161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27104550 + 27104551.

It is an arithmetic number, because the mean of its divisors is an integer number (27104551).

Almost surely, 2^54209101 is an apocalyptic number.

It is an amenable number.

54209101 is a deficient number, since it is larger than the sum of its proper divisors (1).

54209101 is an equidigital number, since it uses as much as digits as its factorization.

54209101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 54209101 is about 7362.6830028190. The cubic root of 54209101 is about 378.4635583626.

Adding to 54209101 its reverse (10190245), we get a palindrome (64399346).

The spelling of 54209101 in words is "fifty-four million, two hundred nine thousand, one hundred one".