56245571 has 4 divisors (see below), whose sum is σ = 59554152. Its totient is φ = 52936992.

The previous prime is 56245549. The next prime is 56245583. The reversal of 56245571 is 17554265.

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 56245571 - 2⁶ = 56245507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56245771) 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, 1654265 + ... + 1654298.

It is an arithmetic number, because the mean of its divisors is an integer number (14888538).

Almost surely, 2^56245571 is an apocalyptic number.

56245571 is a deficient number, since it is larger than the sum of its proper divisors (3308581).

56245571 is a wasteful number, since it uses less digits than its factorization.

56245571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308580.

The product of its digits is 42000, while the sum is 35.

The square root of 56245571 is about 7499.7047275209. The cubic root of 56245571 is about 383.1446596825.

The spelling of 56245571 in words is "fifty-six million, two hundred forty-five thousand, five hundred seventy-one".