54852181 has 2 divisors, whose sum is σ = 54852182. Its totient is φ = 54852180.

The previous prime is 54852157. The next prime is 54852209. The reversal of 54852181 is 18125845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40525956 + 14326225 = 6366^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 54852181 - 2¹⁹ = 54327893 is a prime.

It is a super-4 number, since 4×54852181⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is equal to p_3273892 and since 54852181 and 3273892 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54852101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27426090 + 27426091.

It is an arithmetic number, because the mean of its divisors is an integer number (27426091).

Almost surely, 2^54852181 is an apocalyptic number.

It is an amenable number.

54852181 is a deficient number, since it is larger than the sum of its proper divisors (1).

54852181 is an equidigital number, since it uses as much as digits as its factorization.

54852181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12800, while the sum is 34.

The square root of 54852181 is about 7406.2258269648. The cubic root of 54852181 is about 379.9542442599.

The spelling of 54852181 in words is "fifty-four million, eight hundred fifty-two thousand, one hundred eighty-one".