2555567629 has 4 divisors (see below), whose sum is σ = 2555806176. Its totient is φ = 2555329084.

The previous prime is 2555567617. The next prime is 2555567633. The reversal of 2555567629 is 9267655552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2555567629 - 2⁷ = 2555567501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555567699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102409 + ... + 124894.

It is an arithmetic number, because the mean of its divisors is an integer number (638951544).

Almost surely, 2^2555567629 is an apocalyptic number.

It is an amenable number.

2555567629 is a deficient number, since it is larger than the sum of its proper divisors (238547).

2555567629 is a wasteful number, since it uses less digits than its factorization.

2555567629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238546.

The product of its digits is 5670000, while the sum is 52.

The square root of 2555567629 is about 50552.6223751053. The cubic root of 2555567629 is about 1367.1907962754.

The spelling of 2555567629 in words is "two billion, five hundred fifty-five million, five hundred sixty-seven thousand, six hundred twenty-nine".