53398519 has 2 divisors, whose sum is σ = 53398520. Its totient is φ = 53398518.

The previous prime is 53398469. The next prime is 53398529. The reversal of 53398519 is 91589335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53398519 - 2¹¹ = 53396471 is a prime.

It is a super-2 number, since 2×53398519² = 5702803662786722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53398529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26699259 + 26699260.

It is an arithmetic number, because the mean of its divisors is an integer number (26699260).

Almost surely, 2^53398519 is an apocalyptic number.

53398519 is a deficient number, since it is larger than the sum of its proper divisors (1).

53398519 is an equidigital number, since it uses as much as digits as its factorization.

53398519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 43.

The square root of 53398519 is about 7307.4290280508. The cubic root of 53398519 is about 376.5677042686.

The spelling of 53398519 in words is "fifty-three million, three hundred ninety-eight thousand, five hundred nineteen".