1355487555 has 16 divisors (see below), whose sum is σ = 2238741504. Its totient is φ = 699606240.

The previous prime is 1355487547. The next prime is 1355487557. The reversal of 1355487555 is 5557845531.

It is not a de Polignac number, because 1355487555 - 2³ = 1355487547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355487557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1457049 + ... + 1457978.

It is an arithmetic number, because the mean of its divisors is an integer number (139921344).

Almost surely, 2^1355487555 is an apocalyptic number.

1355487555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355487555 is a deficient number, since it is larger than the sum of its proper divisors (883253949).

1355487555 is a wasteful number, since it uses less digits than its factorization.

1355487555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915066.

The product of its digits is 2100000, while the sum is 48.

The square root of 1355487555 is about 36816.9465735550. The cubic root of 1355487555 is about 1106.7049307043.

The spelling of 1355487555 in words is "one billion, three hundred fifty-five million, four hundred eighty-seven thousand, five hundred fifty-five".