1063385553 has 16 divisors (see below), whose sum is σ = 1453439232. Its totient is φ = 691152000.

The previous prime is 1063385537. The next prime is 1063385567. The reversal of 1063385553 is 3555833601.

It is a happy number.

It is not a de Polignac number, because 1063385553 - 2⁴ = 1063385537 is a prime.

It is a super-2 number, since 2×1063385553² = 2261577668658231618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1063385503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291048 + ... + 294678.

It is an arithmetic number, because the mean of its divisors is an integer number (90839952).

Almost surely, 2^1063385553 is an apocalyptic number.

It is an amenable number.

1063385553 is a deficient number, since it is larger than the sum of its proper divisors (390053679).

1063385553 is a wasteful number, since it uses less digits than its factorization.

1063385553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 1063385553 is about 32609.5929597412. The cubic root of 1063385553 is about 1020.6971886712.

The spelling of 1063385553 in words is "one billion, sixty-three million, three hundred eighty-five thousand, five hundred fifty-three".