516393556 has 36 divisors (see below), whose sum is σ = 1061097408. Its totient is φ = 219234288.

The previous prime is 516393551. The next prime is 516393583. The reversal of 516393556 is 655393615.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516393551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8661 + ... + 33283.

It is an arithmetic number, because the mean of its divisors is an integer number (29474928).

Almost surely, 2^516393556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516393556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530548704).

516393556 is an abundant number, since it is smaller than the sum of its proper divisors (544703852).

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

516393556 is a wasteful number, since it uses less digits than its factorization.

516393556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24748 (or 24739 counting only the distinct ones).

The product of its digits is 364500, while the sum is 43.

The square root of 516393556 is about 22724.2944004869. The cubic root of 516393556 is about 802.2817959878.

The spelling of 516393556 in words is "five hundred sixteen million, three hundred ninety-three thousand, five hundred fifty-six".