557643363 has 4 divisors (see below), whose sum is σ = 743524488. Its totient is φ = 371762240.

The previous prime is 557643353. The next prime is 557643379. The reversal of 557643363 is 363346755.

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 557643363 - 2⁴ = 557643347 is a prime.

It is a super-2 number, since 2×557643363² = 621932240595899538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557643343) 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, 92940558 + ... + 92940563.

It is an arithmetic number, because the mean of its divisors is an integer number (185881122).

Almost surely, 2^557643363 is an apocalyptic number.

557643363 is a deficient number, since it is larger than the sum of its proper divisors (185881125).

557643363 is a wasteful number, since it uses less digits than its factorization.

557643363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185881124.

The product of its digits is 680400, while the sum is 42.

The square root of 557643363 is about 23614.4735914227. The cubic root of 557643363 is about 823.0991993073.

The spelling of 557643363 in words is "five hundred fifty-seven million, six hundred forty-three thousand, three hundred sixty-three".