2655635551 has 4 divisors (see below), whose sum is σ = 2655853704. Its totient is φ = 2655417400.

The previous prime is 2655635539. The next prime is 2655635557. The reversal of 2655635551 is 1555365562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555365562 = 2 ⋅777682781.

It is a cyclic number.

It is not a de Polignac number, because 2655635551 - 2¹⁵ = 2655602783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2655635498 and 2655635507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655635557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89665 + ... + 115546.

It is an arithmetic number, because the mean of its divisors is an integer number (663963426).

Almost surely, 2^2655635551 is an apocalyptic number.

2655635551 is a deficient number, since it is larger than the sum of its proper divisors (218153).

2655635551 is a wasteful number, since it uses less digits than its factorization.

2655635551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218152.

The product of its digits is 675000, while the sum is 43.

The square root of 2655635551 is about 51532.8589445608. The cubic root of 2655635551 is about 1384.8077688954.

The spelling of 2655635551 in words is "two billion, six hundred fifty-five million, six hundred thirty-five thousand, five hundred fifty-one".