553898639 has 8 divisors (see below), whose sum is σ = 633673728. Its totient is φ = 474285240.

The previous prime is 553898629. The next prime is 553898647. The reversal of 553898639 is 936898355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553898639 - 2⁴ = 553898623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553898629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32987 + ... + 46860.

It is an arithmetic number, because the mean of its divisors is an integer number (79209216).

Almost surely, 2^553898639 is an apocalyptic number.

553898639 is a deficient number, since it is larger than the sum of its proper divisors (79775089).

553898639 is an equidigital number, since it uses as much as digits as its factorization.

553898639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80845.

The product of its digits is 6998400, while the sum is 56.

The square root of 553898639 is about 23535.0512852639. The cubic root of 553898639 is about 821.2526160910.

The spelling of 553898639 in words is "five hundred fifty-three million, eight hundred ninety-eight thousand, six hundred thirty-nine".