2055520051 has 16 divisors (see below), whose sum is σ = 2313976896. Its totient is φ = 1811690496.

The previous prime is 2055520021. The next prime is 2055520067. The reversal of 2055520051 is 1500255502.

It is a happy number.

It is not a de Polignac number, because 2055520051 - 2⁹ = 2055519539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055519998 and 2055520025.

It is not an unprimeable number, because it can be changed into a prime (2055520021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171511 + ... + 183103.

It is an arithmetic number, because the mean of its divisors is an integer number (144623556).

Almost surely, 2^2055520051 is an apocalyptic number.

2055520051 is a deficient number, since it is larger than the sum of its proper divisors (258456845).

2055520051 is a wasteful number, since it uses less digits than its factorization.

2055520051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 2055520051 is about 45337.8434754014. The cubic root of 2055520051 is about 1271.4732837229.

Adding to 2055520051 its reverse (1500255502), we get a palindrome (3555775553).

The spelling of 2055520051 in words is "two billion, fifty-five million, five hundred twenty thousand, fifty-one".