59661589 has 8 divisors (see below), whose sum is σ = 64437912. Its totient is φ = 54912000.

The previous prime is 59661571. The next prime is 59661611. The reversal of 59661589 is 98516695.

It can be written as a sum of positive squares in 4 ways, for example, as 2053489 + 57608100 = 1433^2 + 7590^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 59661589 - 2¹¹ = 59659541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59661509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (8054739).

Almost surely, 2^59661589 is an apocalyptic number.

It is an amenable number.

59661589 is a deficient number, since it is larger than the sum of its proper divisors (4776323).

59661589 is a wasteful number, since it uses less digits than its factorization.

59661589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367.

The product of its digits is 583200, while the sum is 49.

The square root of 59661589 is about 7724.0914676096. The cubic root of 59661589 is about 390.7493569631.

The spelling of 59661589 in words is "fifty-nine million, six hundred sixty-one thousand, five hundred eighty-nine".