53427197 has 2 divisors, whose sum is σ = 53427198. Its totient is φ = 53427196.

The previous prime is 53427173. The next prime is 53427211. The reversal of 53427197 is 79172435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 20376196 = 5749^2 + 4514^2 .

It is a cyclic number.

It is not a de Polignac number, because 53427197 - 2¹⁶ = 53361661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53427197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53420197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26713598 + 26713599.

It is an arithmetic number, because the mean of its divisors is an integer number (26713599).

Almost surely, 2^53427197 is an apocalyptic number.

It is an amenable number.

53427197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53427197 is an equidigital number, since it uses as much as digits as its factorization.

53427197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 53427197 is about 7309.3910143048. The cubic root of 53427197 is about 376.6351048641.

The spelling of 53427197 in words is "fifty-three million, four hundred twenty-seven thousand, one hundred ninety-seven".