56563542 has 48 divisors (see below), whose sum is σ = 146225520. Its totient is φ = 16160256.

The previous prime is 56563541. The next prime is 56563553. The reversal of 56563542 is 24536565.

It is a happy number.

56563542 is a `hidden beast` number, since 56 + 5 + 63 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56563497 and 56563506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563541) 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, 8043 + ... + 13334.

It is an arithmetic number, because the mean of its divisors is an integer number (3046365).

Almost surely, 2^56563542 is an apocalyptic number.

56563542 is an abundant number, since it is smaller than the sum of its proper divisors (89661978).

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

56563542 is a wasteful number, since it uses less digits than its factorization.

56563542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402 (or 21389 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 56563542 is about 7520.8737524306. The cubic root of 56563542 is about 383.8653092071.

The spelling of 56563542 in words is "fifty-six million, five hundred sixty-three thousand, five hundred forty-two".