56238649 has 8 divisors (see below), whose sum is σ = 57575808. Its totient is φ = 54907440.

The previous prime is 56238647. The next prime is 56238683. The reversal of 56238649 is 94683265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56238649 - 2¹ = 56238647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56238641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21859 + ... + 24295.

It is an arithmetic number, because the mean of its divisors is an integer number (7196976).

Almost surely, 2^56238649 is an apocalyptic number.

It is an amenable number.

56238649 is a deficient number, since it is larger than the sum of its proper divisors (1337159).

56238649 is a wasteful number, since it uses less digits than its factorization.

56238649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975.

The product of its digits is 311040, while the sum is 43.

The square root of 56238649 is about 7499.2432284865. The cubic root of 56238649 is about 383.1289414900.

The spelling of 56238649 in words is "fifty-six million, two hundred thirty-eight thousand, six hundred forty-nine".