53305619 has 2 divisors, whose sum is σ = 53305620. Its totient is φ = 53305618.

The previous prime is 53305613. The next prime is 53305657. The reversal of 53305619 is 91650335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53305619 - 2²⁴ = 36528403 is a prime.

It is a super-2 number, since 2×53305619² = 5682978033946322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53305613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26652809 + 26652810.

It is an arithmetic number, because the mean of its divisors is an integer number (26652810).

Almost surely, 2^53305619 is an apocalyptic number.

53305619 is a deficient number, since it is larger than the sum of its proper divisors (1).

53305619 is an equidigital number, since it uses as much as digits as its factorization.

53305619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 53305619 is about 7301.0697161443. The cubic root of 53305619 is about 376.3491997900.

The spelling of 53305619 in words is "fifty-three million, three hundred five thousand, six hundred nineteen".