553430359943 has 4 divisors (see below), whose sum is σ = 553432155288. Its totient is φ = 553428564600.

The previous prime is 553430359931. The next prime is 553430360011. The reversal of 553430359943 is 349953034355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 553430359943 - 2⁶ = 553430359879 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 (553430359243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304733 + ... + 1095318.

It is an arithmetic number, because the mean of its divisors is an integer number (138358038822).

Almost surely, 2^553430359943 is an apocalyptic number.

553430359943 is a deficient number, since it is larger than the sum of its proper divisors (1795345).

553430359943 is a wasteful number, since it uses less digits than its factorization.

553430359943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795344.

The product of its (nonzero) digits is 13122000, while the sum is 53.

The spelling of 553430359943 in words is "five hundred fifty-three billion, four hundred thirty million, three hundred fifty-nine thousand, nine hundred forty-three".