557431503 has 8 divisors (see below), whose sum is σ = 745587888. Its totient is φ = 370448064.

The previous prime is 557431487. The next prime is 557431507. The reversal of 557431503 is 305134755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557431503 - 2⁴ = 557431487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557431507) 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 7 ways as a sum of consecutive naturals, for example, 292126 + ... + 294027.

It is an arithmetic number, because the mean of its divisors is an integer number (93198486).

Almost surely, 2^557431503 is an apocalyptic number.

557431503 is a deficient number, since it is larger than the sum of its proper divisors (188156385).

557431503 is a wasteful number, since it uses less digits than its factorization.

557431503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586473.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 557431503 is about 23609.9873570487. The cubic root of 557431503 is about 822.9949487556.

The spelling of 557431503 in words is "five hundred fifty-seven million, four hundred thirty-one thousand, five hundred three".