557666043 has 8 divisors (see below), whose sum is σ = 811150656. Its totient is φ = 337979400.

The previous prime is 557666023. The next prime is 557666059. The reversal of 557666043 is 340666755.

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

It is not a de Polignac number, because 557666043 - 2¹⁰ = 557665019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557665986 and 557666004.

It is not an unprimeable number, because it can be changed into a prime (557666023) 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, 8449453 + ... + 8449518.

It is an arithmetic number, because the mean of its divisors is an integer number (101393832).

Almost surely, 2^557666043 is an apocalyptic number.

557666043 is a deficient number, since it is larger than the sum of its proper divisors (253484613).

557666043 is a wasteful number, since it uses less digits than its factorization.

557666043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898985.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 557666043 is about 23614.9538005053. The cubic root of 557666043 is about 823.1103579546.

The spelling of 557666043 in words is "five hundred fifty-seven million, six hundred sixty-six thousand, forty-three".