557240663 has 8 divisors (see below), whose sum is σ = 647640960. Its totient is φ = 469539000.

The previous prime is 557240657. The next prime is 557240681. The reversal of 557240663 is 366042755.

557240663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 557240663 - 2⁴ = 557240647 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 (557240633) 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, 674213 + ... + 675038.

It is an arithmetic number, because the mean of its divisors is an integer number (80955120).

Almost surely, 2^557240663 is an apocalyptic number.

557240663 is a deficient number, since it is larger than the sum of its proper divisors (90400297).

557240663 is a wasteful number, since it uses less digits than its factorization.

557240663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349317.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 557240663 is about 23605.9455010809. The cubic root of 557240663 is about 822.9010189591.

The spelling of 557240663 in words is "five hundred fifty-seven million, two hundred forty thousand, six hundred sixty-three".