53005445530 has 16 divisors (see below), whose sum is σ = 96973898184. Its totient is φ = 20854601280.

The previous prime is 53005445527. The next prime is 53005445543. The reversal of 53005445530 is 3554450035.

It can be written as a sum of positive squares in 4 ways, for example, as 22088201641 + 30917243889 = 148621^2 + 175833^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43446477 + ... + 43447696.

Almost surely, 2^53005445530 is an apocalyptic number.

53005445530 is a deficient number, since it is larger than the sum of its proper divisors (43968452654).

53005445530 is a wasteful number, since it uses less digits than its factorization.

53005445530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86894241.

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 53005445530 its reverse (3554450035), we get a palindrome (56559895565).

The spelling of 53005445530 in words is "fifty-three billion, five million, four hundred forty-five thousand, five hundred thirty".