557231207 has 8 divisors (see below), whose sum is σ = 607326384. Its totient is φ = 508169088.

The previous prime is 557231179. The next prime is 557231237. The reversal of 557231207 is 702132755.

557231207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 557231207 - 2²² = 553036903 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 (557231237) 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, 257138 + ... + 259295.

It is an arithmetic number, because the mean of its divisors is an integer number (75915798).

Almost surely, 2^557231207 is an apocalyptic number.

557231207 is a deficient number, since it is larger than the sum of its proper divisors (50095177).

557231207 is a wasteful number, since it uses less digits than its factorization.

557231207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516529.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 557231207 is about 23605.7452117064. The cubic root of 557231207 is about 822.8963642401.

The spelling of 557231207 in words is "five hundred fifty-seven million, two hundred thirty-one thousand, two hundred seven".