53798513 has 2 divisors, whose sum is σ = 53798514. Its totient is φ = 53798512.

The previous prime is 53798477. The next prime is 53798531. The reversal of 53798513 is 31589735.

It is a happy number.

Together with next prime (53798531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47100769 + 6697744 = 6863^2 + 2588^2 .

It is a cyclic number.

It is not a de Polignac number, because 53798513 - 2¹⁰ = 53797489 is a prime.

It is a super-2 number, since 2×53798513² = 5788560002022338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53798573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26899256 + 26899257.

It is an arithmetic number, because the mean of its divisors is an integer number (26899257).

Almost surely, 2^53798513 is an apocalyptic number.

It is an amenable number.

53798513 is a deficient number, since it is larger than the sum of its proper divisors (1).

53798513 is an equidigital number, since it uses as much as digits as its factorization.

53798513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 53798513 is about 7334.7469622339. The cubic root of 53798513 is about 377.5056221843.

The spelling of 53798513 in words is "fifty-three million, seven hundred ninety-eight thousand, five hundred thirteen".