557550505 has 8 divisors (see below), whose sum is σ = 669587400. Its totient is φ = 445689216.

The previous prime is 557550493. The next prime is 557550509. The reversal of 557550505 is 505055755.

557550505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 64577296 + 492973209 = 8036^2 + 22203^2 .

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 557550505 - 2¹¹ = 557548457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557550509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36810 + ... + 49699.

It is an arithmetic number, because the mean of its divisors is an integer number (83698425).

Almost surely, 2^557550505 is an apocalyptic number.

It is an amenable number.

557550505 is a deficient number, since it is larger than the sum of its proper divisors (112036895).

557550505 is a wasteful number, since it uses less digits than its factorization.

557550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87803.

The product of its (nonzero) digits is 109375, while the sum is 37.

The square root of 557550505 is about 23612.5073848586. The cubic root of 557550505 is about 823.0535096585.

The spelling of 557550505 in words is "five hundred fifty-seven million, five hundred fifty thousand, five hundred five".