53519189 has 2 divisors, whose sum is σ = 53519190. Its totient is φ = 53519188.

The previous prime is 53519129. The next prime is 53519203. The reversal of 53519189 is 98191535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38850289 + 14668900 = 6233^2 + 3830^2 .

It is a cyclic number.

It is not a de Polignac number, because 53519189 - 2²⁴ = 36741973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53519129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26759594 + 26759595.

It is an arithmetic number, because the mean of its divisors is an integer number (26759595).

Almost surely, 2^53519189 is an apocalyptic number.

It is an amenable number.

53519189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53519189 is an equidigital number, since it uses as much as digits as its factorization.

53519189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 41.

The square root of 53519189 is about 7315.6810345996. The cubic root of 53519189 is about 376.8511468301.

The spelling of 53519189 in words is "fifty-three million, five hundred nineteen thousand, one hundred eighty-nine".