56061563 has 4 divisors (see below), whose sum is σ = 59359320. Its totient is φ = 52763808.

The previous prime is 56061559. The next prime is 56061569. The reversal of 56061563 is 36516065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56061563 - 2² = 56061559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56061569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648853 + ... + 1648886.

It is an arithmetic number, because the mean of its divisors is an integer number (14839830).

Almost surely, 2^56061563 is an apocalyptic number.

56061563 is a deficient number, since it is larger than the sum of its proper divisors (3297757).

56061563 is a wasteful number, since it uses less digits than its factorization.

56061563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297756.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 56061563 is about 7487.4269946357. The cubic root of 56061563 is about 382.7263825710.

The spelling of 56061563 in words is "fifty-six million, sixty-one thousand, five hundred sixty-three".