56197583 has 4 divisors (see below), whose sum is σ = 60520488. Its totient is φ = 51874680.

The previous prime is 56197549. The next prime is 56197591. The reversal of 56197583 is 38579165.

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

It is not a de Polignac number, because 56197583 - 2¹⁰ = 56196559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56190583) 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, 2161433 + ... + 2161458.

It is an arithmetic number, because the mean of its divisors is an integer number (15130122).

Almost surely, 2^56197583 is an apocalyptic number.

56197583 is a deficient number, since it is larger than the sum of its proper divisors (4322905).

56197583 is a wasteful number, since it uses less digits than its factorization.

56197583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322904.

The product of its digits is 226800, while the sum is 44.

The square root of 56197583 is about 7496.5047188673. The cubic root of 56197583 is about 383.0356639751.

The spelling of 56197583 in words is "fifty-six million, one hundred ninety-seven thousand, five hundred eighty-three".