2555521120 has 48 divisors (see below), whose sum is σ = 6045868080. Its totient is φ = 1020777984.

The previous prime is 2555521091. The next prime is 2555521127. The reversal of 2555521120 is 211255552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555521127) 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, 107434 + ... + 129046.

It is an arithmetic number, because the mean of its divisors is an integer number (125955585).

Almost surely, 2^2555521120 is an apocalyptic number.

2555521120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555521120 is an abundant number, since it is smaller than the sum of its proper divisors (3490346960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555521120 is a wasteful number, since it uses less digits than its factorization.

2555521120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22367 (or 22359 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 2555521120 is about 50552.1623672025. The cubic root of 2555521120 is about 1367.1825023499.

Adding to 2555521120 its reverse (211255552), we get a palindrome (2766776672).

The spelling of 2555521120 in words is "two billion, five hundred fifty-five million, five hundred twenty-one thousand, one hundred twenty".