557494967 has 4 divisors (see below), whose sum is σ = 559552416. Its totient is φ = 555437520.

The previous prime is 557494943. The next prime is 557495027. The reversal of 557494967 is 769494755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769494755 = 5 ⋅153898951.

It is a cyclic number.

It is not a de Polignac number, because 557494967 - 2²⁰ = 556446391 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 (557494367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028318 + ... + 1028859.

It is an arithmetic number, because the mean of its divisors is an integer number (139888104).

Almost surely, 2^557494967 is an apocalyptic number.

557494967 is a deficient number, since it is larger than the sum of its proper divisors (2057449).

557494967 is a wasteful number, since it uses less digits than its factorization.

557494967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057448.

The product of its digits is 9525600, while the sum is 56.

The square root of 557494967 is about 23611.3313262933. The cubic root of 557494967 is about 823.0261804370.

The spelling of 557494967 in words is "five hundred fifty-seven million, four hundred ninety-four thousand, nine hundred sixty-seven".