53015519 has 2 divisors, whose sum is σ = 53015520. Its totient is φ = 53015518.

The previous prime is 53015497. The next prime is 53015531. The reversal of 53015519 is 91551035.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53015519 - 2²⁴ = 36238303 is a prime.

It is a super-2 number, since 2×53015519² = 5621290509678722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53015491 and 53015500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53015539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26507759 + 26507760.

It is an arithmetic number, because the mean of its divisors is an integer number (26507760).

Almost surely, 2^53015519 is an apocalyptic number.

53015519 is a deficient number, since it is larger than the sum of its proper divisors (1).

53015519 is an equidigital number, since it uses as much as digits as its factorization.

53015519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 53015519 is about 7281.1756605647. The cubic root of 53015519 is about 375.6652346107.

The spelling of 53015519 in words is "fifty-three million, fifteen thousand, five hundred nineteen".