557420771 has 8 divisors (see below), whose sum is σ = 569547600. Its totient is φ = 545406048.

The previous prime is 557420741. The next prime is 557420777. The reversal of 557420771 is 177024755.

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 557420771 - 2¹⁸ = 557158627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557420777) 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, 17936 + ... + 37901.

It is an arithmetic number, because the mean of its divisors is an integer number (71193450).

Almost surely, 2^557420771 is an apocalyptic number.

557420771 is a deficient number, since it is larger than the sum of its proper divisors (12126829).

557420771 is a wasteful number, since it uses less digits than its factorization.

557420771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56053.

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 557420771 is about 23609.7600792554. The cubic root of 557420771 is about 822.9896671270.

The spelling of 557420771 in words is "five hundred fifty-seven million, four hundred twenty thousand, seven hundred seventy-one".