561453650 has 12 divisors (see below), whose sum is σ = 1044303882. Its totient is φ = 224581440.

The previous prime is 561453649. The next prime is 561453653. The reversal of 561453650 is 56354165.

It can be written as a sum of positive squares in 3 ways, for example, as 202692169 + 358761481 = 14237^2 + 18941^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 561453650.

It is not an unprimeable number, because it can be changed into a prime (561453653) 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, 5614487 + ... + 5614586.

Almost surely, 2^561453650 is an apocalyptic number.

561453650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561453650 is a deficient number, since it is larger than the sum of its proper divisors (482850232).

561453650 is a wasteful number, since it uses less digits than its factorization.

561453650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229085 (or 11229080 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 561453650 is about 23695.0131884327. The cubic root of 561453650 is about 824.9696468784.

It can be divided in two parts, 56145 and 3650, that added together give a palindrome (59795).

The spelling of 561453650 in words is "five hundred sixty-one million, four hundred fifty-three thousand, six hundred fifty".