557420487 has 16 divisors (see below), whose sum is σ = 803146848. Its totient is φ = 341850240.

The previous prime is 557420467. The next prime is 557420509. The reversal of 557420487 is 784024755.

It is not a de Polignac number, because 557420487 - 2⁸ = 557420231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557420467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12964 + ... + 35817.

It is an arithmetic number, because the mean of its divisors is an integer number (50196678).

Almost surely, 2^557420487 is an apocalyptic number.

557420487 is a deficient number, since it is larger than the sum of its proper divisors (245726361).

557420487 is a wasteful number, since it uses less digits than its factorization.

557420487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49090.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 557420487 is about 23609.7540647928. The cubic root of 557420487 is about 822.9895273588.

The spelling of 557420487 in words is "five hundred fifty-seven million, four hundred twenty thousand, four hundred eighty-seven".