54747197 has 2 divisors, whose sum is σ = 54747198. Its totient is φ = 54747196.

The previous prime is 54747181. The next prime is 54747223. The reversal of 54747197 is 79174745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 4351396 = 7099^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 54747197 - 2⁴ = 54747181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54747137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27373598 + 27373599.

It is an arithmetic number, because the mean of its divisors is an integer number (27373599).

Almost surely, 2^54747197 is an apocalyptic number.

It is an amenable number.

54747197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54747197 is an equidigital number, since it uses as much as digits as its factorization.

54747197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 44.

The square root of 54747197 is about 7399.1348818629. The cubic root of 54747197 is about 379.7116857372.

The spelling of 54747197 in words is "fifty-four million, seven hundred forty-seven thousand, one hundred ninety-seven".