56563101 has 48 divisors (see below), whose sum is σ = 96969600. Its totient is φ = 31752000.

The previous prime is 56563099. The next prime is 56563109. The reversal of 56563101 is 10136565.

It is a happy number.

56563101 is a `hidden beast` number, since 5 + 656 + 3 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 56563101 - 2¹ = 56563099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225226 + ... + 225476.

It is an arithmetic number, because the mean of its divisors is an integer number (2020200).

Almost surely, 2^56563101 is an apocalyptic number.

It is an amenable number.

56563101 is a deficient number, since it is larger than the sum of its proper divisors (40406499).

56563101 is a wasteful number, since it uses less digits than its factorization.

56563101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 56563101 is about 7520.8444339715. The cubic root of 56563101 is about 383.8643115972.

Adding to 56563101 its reverse (10136565), we get a palindrome (66699666).

The spelling of 56563101 in words is "fifty-six million, five hundred sixty-three thousand, one hundred one".