2152055655 has 32 divisors (see below), whose sum is σ = 3829129920. Its totient is φ = 1146787200.

The previous prime is 2152055629. The next prime is 2152055657. The reversal of 2152055655 is 5565502512.

2152055655 is a `hidden beast` number, since 2 + 1 + 52 + 0 + 556 + 55 = 666.

It is not a de Polignac number, because 2152055655 - 2⁷ = 2152055527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152055657) 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 31 ways as a sum of consecutive naturals, for example, 169509 + ... + 181761.

It is an arithmetic number, because the mean of its divisors is an integer number (119660310).

Almost surely, 2^2152055655 is an apocalyptic number.

2152055655 is a deficient number, since it is larger than the sum of its proper divisors (1677074265).

2152055655 is a wasteful number, since it uses less digits than its factorization.

2152055655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13568 (or 13562 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The square root of 2152055655 is about 46390.2538794519. The cubic root of 2152055655 is about 1291.0740919105.

The spelling of 2152055655 in words is "two billion, one hundred fifty-two million, fifty-five thousand, six hundred fifty-five".