2055606121 has 8 divisors (see below), whose sum is σ = 2099816000. Its totient is φ = 2011735440.

The previous prime is 2055606103. The next prime is 2055606127. The reversal of 2055606121 is 1216065502.

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

It is a cyclic number.

It is not a de Polignac number, because 2055606121 - 2¹⁵ = 2055573353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055606121.

It is not an unprimeable number, because it can be changed into a prime (2055606127) 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, 72531 + ... + 96808.

It is an arithmetic number, because the mean of its divisors is an integer number (262477000).

Almost surely, 2^2055606121 is an apocalyptic number.

It is an amenable number.

2055606121 is a deficient number, since it is larger than the sum of its proper divisors (44209879).

2055606121 is a wasteful number, since it uses less digits than its factorization.

2055606121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169599.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2055606121 is about 45338.7926725007. The cubic root of 2055606121 is about 1271.4910301123.

The spelling of 2055606121 in words is "two billion, fifty-five million, six hundred six thousand, one hundred twenty-one".