557907 has 16 divisors (see below), whose sum is σ = 878592. Its totient is φ = 308160.

The previous prime is 557903. The next prime is 557927. The reversal of 557907 is 709755.

557907 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557907 - 2² = 557903 is a prime.

It is a super-2 number, since 2×557907² = 622520441298, which contains 22 as substring.

557907 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (557903) 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, 223 + ... + 1079.

It is an arithmetic number, because the mean of its divisors is an integer number (54912).

2⁵⁵⁷⁹⁰⁷ is an apocalyptic number.

557907 is a deficient number, since it is larger than the sum of its proper divisors (320685).

557907 is a wasteful number, since it uses less digits than its factorization.

557907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 11025, while the sum is 33.

The square root of 557907 is about 746.9317237874. The cubic root of 557907 is about 82.3228891048.

The spelling of 557907 in words is "five hundred fifty-seven thousand, nine hundred seven".