2155424355 has 24 divisors (see below), whose sum is σ = 4269793632. Its totient is φ = 985336704.

The previous prime is 2155424347. The next prime is 2155424357. The reversal of 2155424355 is 5534245512.

2155424355 is a `hidden beast` number, since 21 + 5 + 542 + 43 + 55 = 666.

It is not a de Polignac number, because 2155424355 - 2³ = 2155424347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2155424357) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3420994 + ... + 3421623.

It is an arithmetic number, because the mean of its divisors is an integer number (177908068).

Almost surely, 2^2155424355 is an apocalyptic number.

2155424355 is a deficient number, since it is larger than the sum of its proper divisors (2114369277).

2155424355 is a wasteful number, since it uses less digits than its factorization.

2155424355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842635 (or 6842632 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 2155424355 is about 46426.5479548071. The cubic root of 2155424355 is about 1291.7473975949.

Adding to 2155424355 its reverse (5534245512), we get a palindrome (7689669867).

The spelling of 2155424355 in words is "two billion, one hundred fifty-five million, four hundred twenty-four thousand, three hundred fifty-five".