4155520055 has 16 divisors (see below), whose sum is σ = 5382866880. Its totient is φ = 3070222848.

The previous prime is 4155520049. The next prime is 4155520073. The reversal of 4155520055 is 5500255514.

It is a cyclic number.

It is not a de Polignac number, because 4155520055 - 2⁸ = 4155519799 is a prime.

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, 619682 + ... + 626351.

It is an arithmetic number, because the mean of its divisors is an integer number (336429180).

Almost surely, 2^4155520055 is an apocalyptic number.

4155520055 is a deficient number, since it is larger than the sum of its proper divisors (1227346825).

4155520055 is a wasteful number, since it uses less digits than its factorization.

4155520055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246090.

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 4155520055 is about 64463.3233319537. The cubic root of 4155520055 is about 1607.7127681753.

Adding to 4155520055 its reverse (5500255514), we get a palindrome (9655775569).

The spelling of 4155520055 in words is "four billion, one hundred fifty-five million, five hundred twenty thousand, fifty-five".