557365506 has 16 divisors (see below), whose sum is σ = 1121408064. Its totient is φ = 184675664.

The previous prime is 557365499. The next prime is 557365517. The reversal of 557365506 is 605563755.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277125 + ... + 279128.

It is an arithmetic number, because the mean of its divisors is an integer number (70088004).

Almost surely, 2^557365506 is an apocalyptic number.

557365506 is an abundant number, since it is smaller than the sum of its proper divisors (564042558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557365506 is a wasteful number, since it uses less digits than its factorization.

557365506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556425.

The product of its (nonzero) digits is 472500, while the sum is 42.

The square root of 557365506 is about 23608.5896656281. The cubic root of 557365506 is about 822.9624680286.

The spelling of 557365506 in words is "five hundred fifty-seven million, three hundred sixty-five thousand, five hundred six".