54089197 has 2 divisors, whose sum is σ = 54089198. Its totient is φ = 54089196.

The previous prime is 54089093. The next prime is 54089201. The reversal of 54089197 is 79198045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53890281 + 198916 = 7341^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 54089197 - 2⁷ = 54089069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54089297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27044598 + 27044599.

It is an arithmetic number, because the mean of its divisors is an integer number (27044599).

Almost surely, 2^54089197 is an apocalyptic number.

It is an amenable number.

54089197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54089197 is an equidigital number, since it uses as much as digits as its factorization.

54089197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 54089197 is about 7354.5358113208. The cubic root of 54089197 is about 378.1843137790.

The spelling of 54089197 in words is "fifty-four million, eighty-nine thousand, one hundred ninety-seven".