503663552 has 168 divisors, whose sum is σ = 1250899200. Its totient is φ = 200019456.

The previous prime is 503663551. The next prime is 503663579. The reversal of 503663552 is 255366305.

It is a super-2 number, since 2×503663552² = 507353947226513408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503663551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4707083 + ... + 4707189.

Almost surely, 2^503663552 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 503663552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625449600).

503663552 is an abundant number, since it is smaller than the sum of its proper divisors (747235648).

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

503663552 is a wasteful number, since it uses less digits than its factorization.

503663552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 503663552 is about 22442.4497771522. The cubic root of 503663552 is about 795.6343193775.

The spelling of 503663552 in words is "five hundred three million, six hundred sixty-three thousand, five hundred fifty-two".