557618043 has 4 divisors (see below), whose sum is σ = 743490728. Its totient is φ = 371745360.

The previous prime is 557618021. The next prime is 557618051. The reversal of 557618043 is 340816755.

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

It is not a de Polignac number, because 557618043 - 2¹³ = 557609851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557617992 and 557618010.

It is not an unprimeable number, because it can be changed into a prime (557618063) 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, 92936338 + ... + 92936343.

It is an arithmetic number, because the mean of its divisors is an integer number (185872682).

Almost surely, 2^557618043 is an apocalyptic number.

557618043 is a deficient number, since it is larger than the sum of its proper divisors (185872685).

557618043 is a wasteful number, since it uses less digits than its factorization.

557618043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185872684.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 557618043 is about 23613.9374734499. The cubic root of 557618043 is about 823.0867414124.

The spelling of 557618043 in words is "five hundred fifty-seven million, six hundred eighteen thousand, forty-three".