557272487 has 8 divisors (see below), whose sum is σ = 563576832. Its totient is φ = 551003800.

The previous prime is 557272483. The next prime is 557272537. The reversal of 557272487 is 784272755.

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 557272487 - 2² = 557272483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557272481) 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, 23162 + ... + 40632.

It is an arithmetic number, because the mean of its divisors is an integer number (70447104).

Almost surely, 2^557272487 is an apocalyptic number.

557272487 is a deficient number, since it is larger than the sum of its proper divisors (6304345).

557272487 is a wasteful number, since it uses less digits than its factorization.

557272487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17829.

The product of its digits is 1097600, while the sum is 47.

The square root of 557272487 is about 23606.6195589288. The cubic root of 557272487 is about 822.9166839462.

The spelling of 557272487 in words is "five hundred fifty-seven million, two hundred seventy-two thousand, four hundred eighty-seven".