553641243 has 8 divisors (see below), whose sum is σ = 747532800. Its totient is φ = 364421928.

The previous prime is 553641241. The next prime is 553641287. The reversal of 553641243 is 342146355.

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

It is not a de Polignac number, because 553641243 - 2¹ = 553641241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553641241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167783 + ... + 1168256.

It is an arithmetic number, because the mean of its divisors is an integer number (93441600).

Almost surely, 2^553641243 is an apocalyptic number.

553641243 is a deficient number, since it is larger than the sum of its proper divisors (193891557).

553641243 is a wasteful number, since it uses less digits than its factorization.

553641243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336121.

The product of its digits is 43200, while the sum is 33.

The square root of 553641243 is about 23529.5822954850. The cubic root of 553641243 is about 821.1253846954.

Adding to 553641243 its reverse (342146355), we get a palindrome (895787598).

The spelling of 553641243 in words is "five hundred fifty-three million, six hundred forty-one thousand, two hundred forty-three".