557285407 has 16 divisors (see below), whose sum is σ = 664759872. Its totient is φ = 457217280.

The previous prime is 557285401. The next prime is 557285429. The reversal of 557285407 is 704582755.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557285407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557285401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3108 + ... + 33529.

It is an arithmetic number, because the mean of its divisors is an integer number (41547492).

Almost surely, 2^557285407 is an apocalyptic number.

557285407 is a deficient number, since it is larger than the sum of its proper divisors (107474465).

557285407 is a wasteful number, since it uses less digits than its factorization.

557285407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36738.

The product of its (nonzero) digits is 392000, while the sum is 43.

The square root of 557285407 is about 23606.8932093997. The cubic root of 557285407 is about 822.9230434930.

The spelling of 557285407 in words is "five hundred fifty-seven million, two hundred eighty-five thousand, four hundred seven".