2555220530 has 32 divisors (see below), whose sum is σ = 4901019696. Its totient is φ = 955828224.

The previous prime is 2555220511. The next prime is 2555220559. The reversal of 2555220530 is 350225552.

It can be written as a sum of positive squares in 8 ways, for example, as 2022210961 + 533009569 = 44969^2 + 23087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2555220493 and 2555220502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21179 + ... + 74558.

Almost surely, 2^2555220530 is an apocalyptic number.

2555220530 is a deficient number, since it is larger than the sum of its proper divisors (2345799166).

2555220530 is a wasteful number, since it uses less digits than its factorization.

2555220530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95918.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 2555220530 is about 50549.1892120932. The cubic root of 2555220530 is about 1367.1288958664.

The spelling of 2555220530 in words is "two billion, five hundred fifty-five million, two hundred twenty thousand, five hundred thirty".