57061772205 has 16 divisors (see below), whose sum is σ = 91623749184. Its totient is φ = 30324640640.

The previous prime is 57061772197. The next prime is 57061772219. The reversal of 57061772205 is 50227716075.

57061772205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57061772205 - 2³ = 57061772197 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6764679 + ... + 6773108.

It is an arithmetic number, because the mean of its divisors is an integer number (5726484324).

Almost surely, 2^57061772205 is an apocalyptic number.

It is an amenable number.

57061772205 is a deficient number, since it is larger than the sum of its proper divisors (34561976979).

57061772205 is a wasteful number, since it uses less digits than its factorization.

57061772205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13538076.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 57061772205 in words is "fifty-seven billion, sixty-one million, seven hundred seventy-two thousand, two hundred five".