53478199 has 2 divisors, whose sum is σ = 53478200. Its totient is φ = 53478198.

The previous prime is 53478163. The next prime is 53478221. The reversal of 53478199 is 99187435.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53478199 - 2⁹ = 53477687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53478109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26739099 + 26739100.

It is an arithmetic number, because the mean of its divisors is an integer number (26739100).

Almost surely, 2^53478199 is an apocalyptic number.

53478199 is a deficient number, since it is larger than the sum of its proper divisors (1).

53478199 is an equidigital number, since it uses as much as digits as its factorization.

53478199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 53478199 is about 7312.8789816323. The cubic root of 53478199 is about 376.7549129739.

The spelling of 53478199 in words is "fifty-three million, four hundred seventy-eight thousand, one hundred ninety-nine".