495500557 has 4 divisors (see below), whose sum is σ = 499283136. Its totient is φ = 491717980.

The previous prime is 495500531. The next prime is 495500573. The reversal of 495500557 is 755005594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 495500557 - 2⁷ = 495500429 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495500527) 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, 1891093 + ... + 1891354.

It is an arithmetic number, because the mean of its divisors is an integer number (124820784).

Almost surely, 2^495500557 is an apocalyptic number.

It is an amenable number.

495500557 is a deficient number, since it is larger than the sum of its proper divisors (3782579).

495500557 is a wasteful number, since it uses less digits than its factorization.

495500557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782578.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 495500557 is about 22259.8418008754. The cubic root of 495500557 is about 791.3125416783.

The spelling of 495500557 in words is "four hundred ninety-five million, five hundred thousand, five hundred fifty-seven".