53159819 has 2 divisors, whose sum is σ = 53159820. Its totient is φ = 53159818.

The previous prime is 53159809. The next prime is 53159837. The reversal of 53159819 is 91895135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53159819 - 2⁴ = 53159803 is a prime.

It is a super-2 number, since 2×53159819² = 5651932712225522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53159809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26579909 + 26579910.

It is an arithmetic number, because the mean of its divisors is an integer number (26579910).

Almost surely, 2^53159819 is an apocalyptic number.

53159819 is a deficient number, since it is larger than the sum of its proper divisors (1).

53159819 is an equidigital number, since it uses as much as digits as its factorization.

53159819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 41.

The square root of 53159819 is about 7291.0780410033. The cubic root of 53159819 is about 376.0057599653.

The spelling of 53159819 in words is "fifty-three million, one hundred fifty-nine thousand, eight hundred nineteen".