56663500 has 24 divisors (see below), whose sum is σ = 123754176. Its totient is φ = 22665200.

The previous prime is 56663479. The next prime is 56663507. The reversal of 56663500 is 536665.

It is a happy number.

56663500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56663507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56164 + ... + 57163.

It is an arithmetic number, because the mean of its divisors is an integer number (5156424).

Almost surely, 2^56663500 is an apocalyptic number.

56663500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56663500 is an abundant number, since it is smaller than the sum of its proper divisors (67090676).

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

56663500 is a wasteful number, since it uses less digits than its factorization.

56663500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113346 (or 113334 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 56663500 is about 7527.5161906169. The cubic root of 56663500 is about 384.0912959287.

The spelling of 56663500 in words is "fifty-six million, six hundred sixty-three thousand, five hundred".