1063533550 has 96 divisors (see below), whose sum is σ = 2171289600. Its totient is φ = 386156160.

The previous prime is 1063533517. The next prime is 1063533553. The reversal of 1063533550 is 553353601.

It is a happy number.

It is a super-2 number, since 2×1063533550² = 2262207223951205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063533553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2776659 + ... + 2777041.

It is an arithmetic number, because the mean of its divisors is an integer number (22617600).

Almost surely, 2^1063533550 is an apocalyptic number.

1063533550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1063533550 is an abundant number, since it is smaller than the sum of its proper divisors (1107756050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1063533550 is a wasteful number, since it uses less digits than its factorization.

1063533550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 31.

The square root of 1063533550 is about 32611.8621056817. The cubic root of 1063533550 is about 1020.7445384194.

The spelling of 1063533550 in words is "one billion, sixty-three million, five hundred thirty-three thousand, five hundred fifty".