59561863 has 4 divisors (see below), whose sum is σ = 63065520. Its totient is φ = 56058208.

The previous prime is 59561839. The next prime is 59561869. The reversal of 59561863 is 36816595.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36816595 = 5 ⋅7363319.

It is a cyclic number.

It is not a de Polignac number, because 59561863 - 2²⁵ = 26007431 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 (59561869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751803 + ... + 1751836.

It is an arithmetic number, because the mean of its divisors is an integer number (15766380).

Almost surely, 2^59561863 is an apocalyptic number.

59561863 is a deficient number, since it is larger than the sum of its proper divisors (3503657).

59561863 is a wasteful number, since it uses less digits than its factorization.

59561863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503656.

The product of its digits is 194400, while the sum is 43.

The square root of 59561863 is about 7717.6332511982. The cubic root of 59561863 is about 390.5315194165.

The spelling of 59561863 in words is "fifty-nine million, five hundred sixty-one thousand, eight hundred sixty-three".