557427071 has 4 divisors (see below), whose sum is σ = 557491200. Its totient is φ = 557362944.

The previous prime is 557427049. The next prime is 557427083. The reversal of 557427071 is 170724755.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 170724755 = 5 ⋅34144951.

It is a cyclic number.

It is not a de Polignac number, because 557427071 - 2¹⁴ = 557410687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557427041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16511 + ... + 37248.

It is an arithmetic number, because the mean of its divisors is an integer number (139372800).

Almost surely, 2^557427071 is an apocalyptic number.

557427071 is a deficient number, since it is larger than the sum of its proper divisors (64129).

557427071 is a wasteful number, since it uses less digits than its factorization.

557427071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64128.

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

The square root of 557427071 is about 23609.8934982774. The cubic root of 557427071 is about 822.9927676067.

The spelling of 557427071 in words is "five hundred fifty-seven million, four hundred twenty-seven thousand, seventy-one".