2555554319 has 2 divisors, whose sum is σ = 2555554320. Its totient is φ = 2555554318.

The previous prime is 2555554307. The next prime is 2555554363. The reversal of 2555554319 is 9134555552.

It is a happy number.

It is an a-pointer prime, because the next prime (2555554363) can be obtained adding 2555554319 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555554319 - 2⁴ = 2555554303 is a prime.

It is a super-2 number, since 2×2555554319² = 13061715754719107522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2555554319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555559319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277777159 + 1277777160.

It is an arithmetic number, because the mean of its divisors is an integer number (1277777160).

Almost surely, 2^2555554319 is an apocalyptic number.

2555554319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555554319 is an equidigital number, since it uses as much as digits as its factorization.

2555554319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 675000, while the sum is 44.

The square root of 2555554319 is about 50552.4907299334. The cubic root of 2555554319 is about 1367.1884227204.

The spelling of 2555554319 in words is "two billion, five hundred fifty-five million, five hundred fifty-four thousand, three hundred nineteen".