6525558655 has 32 divisors (see below), whose sum is σ = 9834255360. Its totient is φ = 4038155520.

The previous prime is 6525558649. The next prime is 6525558661. The reversal of 6525558655 is 5568555256.

It is an interprime number because it is at equal distance from previous prime (6525558649) and next prime (6525558661).

It is not a de Polignac number, because 6525558655 - 2⁵ = 6525558623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9115 + ... + 114604.

It is an arithmetic number, because the mean of its divisors is an integer number (307320480).

Almost surely, 2^6525558655 is an apocalyptic number.

6525558655 is a deficient number, since it is larger than the sum of its proper divisors (3308696705).

6525558655 is a wasteful number, since it uses less digits than its factorization.

6525558655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123879.

The product of its digits is 9000000, while the sum is 52.

The square root of 6525558655 is about 80780.9300206429. The cubic root of 6525558655 is about 1868.6984809531.

The spelling of 6525558655 in words is "six billion, five hundred twenty-five million, five hundred fifty-eight thousand, six hundred fifty-five".