553616650 has 12 divisors (see below), whose sum is σ = 1029727062. Its totient is φ = 221446640.

The previous prime is 553616629. The next prime is 553616659. The reversal of 553616650 is 56616355.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 509540329 + 44076321 = 22573^2 + 6639^2 .

It is not an unprimeable number, because it can be changed into a prime (553616659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5536117 + ... + 5536216.

Almost surely, 2^553616650 is an apocalyptic number.

553616650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

553616650 is a deficient number, since it is larger than the sum of its proper divisors (476110412).

553616650 is a wasteful number, since it uses less digits than its factorization.

553616650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072345 (or 11072340 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 553616650 is about 23529.0596922189. The cubic root of 553616650 is about 821.1132262590.

It can be divided in two parts, 55 and 3616650, that added together give a triangular number (3616705 = T₂₆₈₉).

The spelling of 553616650 in words is "five hundred fifty-three million, six hundred sixteen thousand, six hundred fifty".