56197563 has 16 divisors (see below), whose sum is σ = 82075680. Its totient is φ = 34044416.

The previous prime is 56197549. The next prime is 56197591. The reversal of 56197563 is 36579165.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56197563 - 2¹⁴ = 56181179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56198563) 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, 17520 + ... + 20477.

It is an arithmetic number, because the mean of its divisors is an integer number (5129730).

Almost surely, 2^56197563 is an apocalyptic number.

56197563 is a deficient number, since it is larger than the sum of its proper divisors (25878117).

56197563 is a wasteful number, since it uses less digits than its factorization.

56197563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38046.

The product of its digits is 170100, while the sum is 42.

The square root of 56197563 is about 7496.5033849122. The cubic root of 56197563 is about 383.0356185359.

The spelling of 56197563 in words is "fifty-six million, one hundred ninety-seven thousand, five hundred sixty-three".