53515879 has 2 divisors, whose sum is σ = 53515880. Its totient is φ = 53515878.

The previous prime is 53515873. The next prime is 53515901. The reversal of 53515879 is 97851535.

53515879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53515879 - 2¹⁹ = 52991591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53515873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26757939 + 26757940.

It is an arithmetic number, because the mean of its divisors is an integer number (26757940).

Almost surely, 2^53515879 is an apocalyptic number.

53515879 is a deficient number, since it is larger than the sum of its proper divisors (1).

53515879 is an equidigital number, since it uses as much as digits as its factorization.

53515879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 43.

The square root of 53515879 is about 7315.4548047268. The cubic root of 53515879 is about 376.8433776353.

The spelling of 53515879 in words is "fifty-three million, five hundred fifteen thousand, eight hundred seventy-nine".