557406545 has 8 divisors (see below), whose sum is σ = 669871296. Its totient is φ = 445269616.

The previous prime is 557406533. The next prime is 557406547. The reversal of 557406545 is 545604755.

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

It is a cyclic number.

It is not a de Polignac number, because 557406545 - 2¹⁰ = 557405521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557406547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78197 + ... + 85026.

It is an arithmetic number, because the mean of its divisors is an integer number (83733912).

Almost surely, 2^557406545 is an apocalyptic number.

It is an amenable number.

557406545 is a deficient number, since it is larger than the sum of its proper divisors (112464751).

557406545 is a wasteful number, since it uses less digits than its factorization.

557406545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163911.

The product of its (nonzero) digits is 420000, while the sum is 41.

The square root of 557406545 is about 23609.4588036236. The cubic root of 557406545 is about 822.9826658626.

The spelling of 557406545 in words is "five hundred fifty-seven million, four hundred six thousand, five hundred forty-five".