54506197 has 2 divisors, whose sum is σ = 54506198. Its totient is φ = 54506196.

The previous prime is 54506149. The next prime is 54506201. The reversal of 54506197 is 79160545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54375876 + 130321 = 7374^2 + 361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54506197 is a prime.

It is a super-2 number, since 2×54506197² = 5941851022805618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54506597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27253098 + 27253099.

It is an arithmetic number, because the mean of its divisors is an integer number (27253099).

Almost surely, 2^54506197 is an apocalyptic number.

It is an amenable number.

54506197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54506197 is an equidigital number, since it uses as much as digits as its factorization.

54506197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 54506197 is about 7382.8312319868. The cubic root of 54506197 is about 379.1536959912.

The spelling of 54506197 in words is "fifty-four million, five hundred six thousand, one hundred ninety-seven".