2547662655 has 16 divisors (see below), whose sum is σ = 4100673024. Its totient is φ = 1350615840.

The previous prime is 2547662651. The next prime is 2547662669. The reversal of 2547662655 is 5562667452.

It is not a de Polignac number, because 2547662655 - 2² = 2547662651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547662651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506011 + ... + 511020.

It is an arithmetic number, because the mean of its divisors is an integer number (256292064).

Almost surely, 2^2547662655 is an apocalyptic number.

2547662655 is a deficient number, since it is larger than the sum of its proper divisors (1553010369).

2547662655 is a wasteful number, since it uses less digits than its factorization.

2547662655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017206.

The product of its digits is 3024000, while the sum is 48.

The square root of 2547662655 is about 50474.3762220000. The cubic root of 2547662655 is about 1365.7796589795.

The spelling of 2547662655 in words is "two billion, five hundred forty-seven million, six hundred sixty-two thousand, six hundred fifty-five".