54038197 has 2 divisors, whose sum is σ = 54038198. Its totient is φ = 54038196.

The previous prime is 54038191. The next prime is 54038221. The reversal of 54038197 is 79183045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47692836 + 6345361 = 6906^2 + 2519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54038197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54038191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27019098 + 27019099.

It is an arithmetic number, because the mean of its divisors is an integer number (27019099).

Almost surely, 2^54038197 is an apocalyptic number.

It is an amenable number.

54038197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54038197 is an equidigital number, since it uses as much as digits as its factorization.

54038197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 54038197 is about 7351.0677455727. The cubic root of 54038197 is about 378.0654147123.

The spelling of 54038197 in words is "fifty-four million, thirty-eight thousand, one hundred ninety-seven".