512055616 has 14 divisors (see below), whose sum is σ = 1016110490. Its totient is φ = 256027776.

The previous prime is 512055611. The next prime is 512055619. The reversal of 512055616 is 616550215.

It can be written as a sum of positive squares in only one way, i.e., 429318400 + 82737216 = 20720^2 + 9096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512055611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000371 + ... + 4000498.

Almost surely, 2^512055616 is an apocalyptic number.

It is an amenable number.

512055616 is a deficient number, since it is larger than the sum of its proper divisors (504054874).

512055616 is an equidigital number, since it uses as much as digits as its factorization.

512055616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000881 (or 8000871 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 512055616 is about 22628.6459161833. The cubic root of 512055616 is about 800.0289656179.

The spelling of 512055616 in words is "five hundred twelve million, fifty-five thousand, six hundred sixteen".