1355540055 has 8 divisors (see below), whose sum is σ = 2168864112. Its totient is φ = 722954688.

The previous prime is 1355540003. The next prime is 1355540059. The reversal of 1355540055 is 5500455531.

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

It is not a de Polignac number, because 1355540055 - 2¹⁵ = 1355507287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355539998 and 1355540025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355540059) 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 7 ways as a sum of consecutive naturals, for example, 45184654 + ... + 45184683.

It is an arithmetic number, because the mean of its divisors is an integer number (271108014).

Almost surely, 2^1355540055 is an apocalyptic number.

1355540055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355540055 is a deficient number, since it is larger than the sum of its proper divisors (813324057).

1355540055 is an equidigital number, since it uses as much as digits as its factorization.

1355540055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90369345.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 1355540055 is about 36817.6595535349. The cubic root of 1355540055 is about 1106.7192186158.

Adding to 1355540055 its reverse (5500455531), we get a palindrome (6855995586).

The spelling of 1355540055 in words is "one billion, three hundred fifty-five million, five hundred forty thousand, fifty-five".