59855963561 has 4 divisors (see below), whose sum is σ = 63376902612. Its totient is φ = 56335024512.

The previous prime is 59855963543. The next prime is 59855963599. The reversal of 59855963561 is 16536955895.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21779856400 + 38076107161 = 147580^2 + 195131^2 .

It is a cyclic number.

It is not a de Polignac number, because 59855963561 - 2¹⁸ = 59855701417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 59855963494 and 59855963503.

It is not an unprimeable number, because it can be changed into a prime (59855968561) 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, 1760469500 + ... + 1760469533.

It is an arithmetic number, because the mean of its divisors is an integer number (15844225653).

Almost surely, 2^59855963561 is an apocalyptic number.

It is an amenable number.

59855963561 is a deficient number, since it is larger than the sum of its proper divisors (3520939051).

59855963561 is a wasteful number, since it uses less digits than its factorization.

59855963561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520939050.

The product of its digits is 43740000, while the sum is 62.

The spelling of 59855963561 in words is "fifty-nine billion, eight hundred fifty-five million, nine hundred sixty-three thousand, five hundred sixty-one".