63530508 has 48 divisors (see below), whose sum is σ = 155344896. Its totient is φ = 20169600.

The previous prime is 63530507. The next prime is 63530567. The reversal of 63530508 is 80503536.

It is a super-2 number, since 2×63530508² = 8072250893476128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63530507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105408 + ... + 106008.

It is an arithmetic number, because the mean of its divisors is an integer number (3236352).

Almost surely, 2^63530508 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 63530508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77672448).

63530508 is an abundant number, since it is smaller than the sum of its proper divisors (91814388).

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

63530508 is a wasteful number, since it uses less digits than its factorization.

63530508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 63530508 is about 7970.6027375601. The cubic root of 63530508 is about 399.0194901315.

The spelling of 63530508 in words is "sixty-three million, five hundred thirty thousand, five hundred eight".