1355351553 has 24 divisors (see below), whose sum is σ = 1970991360. Its totient is φ = 897469440.

The previous prime is 1355351539. The next prime is 1355351561. The reversal of 1355351553 is 3551535531.

1355351553 is a `hidden beast` number, since 1 + 3 + 5 + 53 + 51 + 553 = 666.

It is not a de Polignac number, because 1355351553 - 2¹³ = 1355343361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355351513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1378300 + ... + 1379282.

It is an arithmetic number, because the mean of its divisors is an integer number (82124640).

Almost surely, 2^1355351553 is an apocalyptic number.

It is an amenable number.

1355351553 is a deficient number, since it is larger than the sum of its proper divisors (615639807).

1355351553 is a wasteful number, since it uses less digits than its factorization.

1355351553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1866 counting only the distinct ones).

The product of its digits is 84375, while the sum is 36.

The square root of 1355351553 is about 36815.0995245158. The cubic root of 1355351553 is about 1106.6679159495.

The spelling of 1355351553 in words is "one billion, three hundred fifty-five million, three hundred fifty-one thousand, five hundred fifty-three".