56239247 has 8 divisors (see below), whose sum is σ = 59678496. Its totient is φ = 52814592.

The previous prime is 56239237. The next prime is 56239291. The reversal of 56239247 is 74293265.

56239247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56239247 - 2¹⁴ = 56222863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56239247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56239237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4883 + ... + 11675.

It is an arithmetic number, because the mean of its divisors is an integer number (7459812).

Almost surely, 2^56239247 is an apocalyptic number.

56239247 is a deficient number, since it is larger than the sum of its proper divisors (3439249).

56239247 is a wasteful number, since it uses less digits than its factorization.

56239247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297.

The product of its digits is 90720, while the sum is 38.

The square root of 56239247 is about 7499.2830990702. The cubic root of 56239247 is about 383.1302994547.

The spelling of 56239247 in words is "fifty-six million, two hundred thirty-nine thousand, two hundred forty-seven".