53517379 has 2 divisors, whose sum is σ = 53517380. Its totient is φ = 53517378.

The previous prime is 53517371. The next prime is 53517397. The reversal of 53517379 is 97371535.

Together with next prime (53517397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53517379 - 2³ = 53517371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53517371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758689 + 26758690.

It is an arithmetic number, because the mean of its divisors is an integer number (26758690).

Almost surely, 2^53517379 is an apocalyptic number.

53517379 is a deficient number, since it is larger than the sum of its proper divisors (1).

53517379 is an equidigital number, since it uses as much as digits as its factorization.

53517379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99225, while the sum is 40.

The square root of 53517379 is about 7315.5573266840. The cubic root of 53517379 is about 376.8468984581.

The spelling of 53517379 in words is "fifty-three million, five hundred seventeen thousand, three hundred seventy-nine".