53819369 has 2 divisors, whose sum is σ = 53819370. Its totient is φ = 53819368.

The previous prime is 53819357. The next prime is 53819453. The reversal of 53819369 is 96391835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53465344 + 354025 = 7312^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 53819369 - 2⁸ = 53819113 is a prime.

It is a super-2 number, since 2×53819369² = 5793048959116322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53810369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26909684 + 26909685.

It is an arithmetic number, because the mean of its divisors is an integer number (26909685).

Almost surely, 2^53819369 is an apocalyptic number.

It is an amenable number.

53819369 is a deficient number, since it is larger than the sum of its proper divisors (1).

53819369 is an equidigital number, since it uses as much as digits as its factorization.

53819369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 53819369 is about 7336.1685504083. The cubic root of 53819369 is about 377.5543982541.

The spelling of 53819369 in words is "fifty-three million, eight hundred nineteen thousand, three hundred sixty-nine".