557580069 has 12 divisors (see below), whose sum is σ = 808766400. Its totient is φ = 370163304.

The previous prime is 557580029. The next prime is 557580083. The reversal of 557580069 is 960085755.

557580069 is a `hidden beast` number, since 5 + 5 + 7 + 580 + 0 + 69 = 666.

It is not a de Polignac number, because 557580069 - 2¹² = 557575973 is a prime.

It is a super-2 number, since 2×557580069² = 621791066692089522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557580019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127459 + ... + 131760.

It is an arithmetic number, because the mean of its divisors is an integer number (67397200).

Almost surely, 2^557580069 is an apocalyptic number.

It is an amenable number.

557580069 is a deficient number, since it is larger than the sum of its proper divisors (251186331).

557580069 is a wasteful number, since it uses less digits than its factorization.

557580069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259464 (or 259461 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 557580069 is about 23613.1334007158. The cubic root of 557580069 is about 823.0680568153.

The spelling of 557580069 in words is "five hundred fifty-seven million, five hundred eighty thousand, sixty-nine".