56526647 has 4 divisors (see below), whose sum is σ = 56689896. Its totient is φ = 56363400.

The previous prime is 56526643. The next prime is 56526667. The reversal of 56526647 is 74662565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74662565 = 5 ⋅14932513.

It is a cyclic number.

It is not a de Polignac number, because 56526647 - 2² = 56526643 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 (56526643) 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, 81104 + ... + 81797.

It is an arithmetic number, because the mean of its divisors is an integer number (14172474).

Almost surely, 2^56526647 is an apocalyptic number.

56526647 is a deficient number, since it is larger than the sum of its proper divisors (163249).

56526647 is a wasteful number, since it uses less digits than its factorization.

56526647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163248.

The product of its digits is 302400, while the sum is 41.

The square root of 56526647 is about 7518.4205123151. The cubic root of 56526647 is about 383.7818291035.

The spelling of 56526647 in words is "fifty-six million, five hundred twenty-six thousand, six hundred forty-seven".