53945197 has 2 divisors, whose sum is σ = 53945198. Its totient is φ = 53945196.

The previous prime is 53945179. The next prime is 53945201. The reversal of 53945197 is 79154935.

Together with previous prime (53945179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27102436 + 26842761 = 5206^2 + 5181^2 .

It is a cyclic number.

It is not a de Polignac number, because 53945197 - 2¹⁵ = 53912429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53945137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26972598 + 26972599.

It is an arithmetic number, because the mean of its divisors is an integer number (26972599).

Almost surely, 2^53945197 is an apocalyptic number.

It is an amenable number.

53945197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53945197 is an equidigital number, since it uses as much as digits as its factorization.

53945197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The square root of 53945197 is about 7344.7394099451. The cubic root of 53945197 is about 377.8484060341.

The spelling of 53945197 in words is "fifty-three million, nine hundred forty-five thousand, one hundred ninety-seven".