523556994 has 16 divisors (see below), whose sum is σ = 1047575232. Its totient is φ = 174442128.

The previous prime is 523556987. The next prime is 523557011. The reversal of 523556994 is 499655325.

It is a happy number.

It is a super-2 number, since 2×523556994² = 548223851932632072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469 + ... + 32544.

It is an arithmetic number, because the mean of its divisors is an integer number (65473452).

Almost surely, 2^523556994 is an apocalyptic number.

523556994 is an abundant number, since it is smaller than the sum of its proper divisors (524018238).

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

523556994 is a wasteful number, since it uses less digits than its factorization.

523556994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38441.

The product of its digits is 1458000, while the sum is 48.

The square root of 523556994 is about 22881.3678349875. The cubic root of 523556994 is about 805.9745377577.

The spelling of 523556994 in words is "five hundred twenty-three million, five hundred fifty-six thousand, nine hundred ninety-four".