1355455555 has 8 divisors (see below), whose sum is σ = 1626890832. Its totient is φ = 1084135008.

The previous prime is 1355455547. The next prime is 1355455571. The reversal of 1355455555 is 5555545531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355455555 - 2³ = 1355455547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 52066.

It is an arithmetic number, because the mean of its divisors is an integer number (203361354).

Almost surely, 2^1355455555 is an apocalyptic number.

1355455555 is a deficient number, since it is larger than the sum of its proper divisors (271435277).

1355455555 is an equidigital number, since it uses as much as digits as its factorization.

1355455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57365.

The product of its digits is 937500, while the sum is 43.

The square root of 1355455555 is about 36816.5119885086. The cubic root of 1355455555 is about 1106.6962217010.

The spelling of 1355455555 in words is "one billion, three hundred fifty-five million, four hundred fifty-five thousand, five hundred fifty-five".