1355220050 has 24 divisors (see below), whose sum is σ = 2526735972. Its totient is φ = 540792000.

The previous prime is 1355220047. The next prime is 1355220079. The reversal of 1355220050 is 500225531.

It can be written as a sum of positive squares in 6 ways, for example, as 220136569 + 1135083481 = 14837^2 + 33691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1355219998 and 1355220025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11141 + ... + 53240.

Almost surely, 2^1355220050 is an apocalyptic number.

1355220050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355220050 is a deficient number, since it is larger than the sum of its proper divisors (1171515922).

1355220050 is a wasteful number, since it uses less digits than its factorization.

1355220050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64814 (or 64809 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1355220050 is about 36813.3134884650. The cubic root of 1355220050 is about 1106.6321233028.

Adding to 1355220050 its reverse (500225531), we get a palindrome (1855445581).

The spelling of 1355220050 in words is "one billion, three hundred fifty-five million, two hundred twenty thousand, fifty".