4545255551 has 2 divisors, whose sum is σ = 4545255552. Its totient is φ = 4545255550.

The previous prime is 4545255523. The next prime is 4545255553. The reversal of 4545255551 is 1555525454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4545255551 is a prime.

Together with 4545255553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4545255499 and 4545255508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545255553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272627775 + 2272627776.

It is an arithmetic number, because the mean of its divisors is an integer number (2272627776).

Almost surely, 2^4545255551 is an apocalyptic number.

4545255551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545255551 is an equidigital number, since it uses as much as digits as its factorization.

4545255551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 500000, while the sum is 41.

The square root of 4545255551 is about 67418.5104477991. The cubic root of 4545255551 is about 1656.4796387684.

The spelling of 4545255551 in words is "four billion, five hundred forty-five million, two hundred fifty-five thousand, five hundred fifty-one".