63505628 has 12 divisors (see below), whose sum is σ = 111466992. Its totient is φ = 31657920.

The previous prime is 63505583. The next prime is 63505633. The reversal of 63505628 is 82650536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22208 + ... + 24903.

It is an arithmetic number, because the mean of its divisors is an integer number (9288916).

Almost surely, 2^63505628 is an apocalyptic number.

It is an amenable number.

63505628 is a deficient number, since it is larger than the sum of its proper divisors (47961364).

63505628 is a wasteful number, since it uses less digits than its factorization.

63505628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47452 (or 47450 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 63505628 is about 7969.0418495576. The cubic root of 63505628 is about 398.9673949442.

The spelling of 63505628 in words is "sixty-three million, five hundred five thousand, six hundred twenty-eight".