59009681 has 4 divisors (see below), whose sum is σ = 59025264. Its totient is φ = 58994100.

The previous prime is 59009633. The next prime is 59009689. The reversal of 59009681 is 18690095.

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 59009681 - 2¹⁰ = 59008657 is a prime.

It is a super-2 number, since 2×59009681² = 6964284903443522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59009689) 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 in 3 ways as a sum of consecutive naturals, for example, 1946 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (14756316).

Almost surely, 2^59009681 is an apocalyptic number.

It is an amenable number.

59009681 is a deficient number, since it is larger than the sum of its proper divisors (15583).

59009681 is an equidigital number, since it uses as much as digits as its factorization.

59009681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15582.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 59009681 is about 7681.7759014436. The cubic root of 59009681 is about 389.3209331337.

The spelling of 59009681 in words is "fifty-nine million, nine thousand, six hundred eighty-one".