497147556 has 12 divisors (see below), whose sum is σ = 1160010992. Its totient is φ = 165715848.

The previous prime is 497147531. The next prime is 497147557. The reversal of 497147556 is 655741794.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (497147557) 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, 20714470 + ... + 20714493.

Almost surely, 2^497147556 is an apocalyptic number.

It is an amenable number.

497147556 is an abundant number, since it is smaller than the sum of its proper divisors (662863436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497147556 is a wasteful number, since it uses less digits than its factorization.

497147556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41428970 (or 41428968 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 497147556 is about 22296.8059595988. The cubic root of 497147556 is about 792.1883224754.

The spelling of 497147556 in words is "four hundred ninety-seven million, one hundred forty-seven thousand, five hundred fifty-six".