59442809 has 4 divisors (see below), whose sum is σ = 59458560. Its totient is φ = 59427060.

The previous prime is 59442797. The next prime is 59442871. The reversal of 59442809 is 90824495.

59442809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 59442809 - 2⁸ = 59442553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59442109) 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 in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 11010.

It is an arithmetic number, because the mean of its divisors is an integer number (14864640).

Almost surely, 2^59442809 is an apocalyptic number.

It is an amenable number.

59442809 is a deficient number, since it is larger than the sum of its proper divisors (15751).

59442809 is an equidigital number, since it uses as much as digits as its factorization.

59442809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 59442809 is about 7709.9162771070. The cubic root of 59442809 is about 390.2711439027.

The spelling of 59442809 in words is "fifty-nine million, four hundred forty-two thousand, eight hundred nine".