557405055 has 12 divisors (see below), whose sum is σ = 966168840. Its totient is φ = 297282672.

The previous prime is 557405053. The next prime is 557405059. The reversal of 557405055 is 550504755.

It is a happy number.

557405055 is a `hidden beast` number, since 557 + 4 + 0 + 50 + 55 = 666.

It is not a de Polignac number, because 557405055 - 2¹ = 557405053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557405053) 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 11 ways as a sum of consecutive naturals, for example, 6193345 + ... + 6193434.

It is an arithmetic number, because the mean of its divisors is an integer number (80514070).

Almost surely, 2^557405055 is an apocalyptic number.

557405055 is a deficient number, since it is larger than the sum of its proper divisors (408763785).

557405055 is a wasteful number, since it uses less digits than its factorization.

557405055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12386790 (or 12386787 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The square root of 557405055 is about 23609.4272484531. The cubic root of 557405055 is about 822.9819325586.

The spelling of 557405055 in words is "five hundred fifty-seven million, four hundred five thousand, fifty-five".