56918459 has 8 divisors (see below), whose sum is σ = 61675152. Its totient is φ = 52215840.

The previous prime is 56918453. The next prime is 56918467. The reversal of 56918459 is 95481965.

It is a happy number.

56918459 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 56918459 - 2⁸ = 56918203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56918453) 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, 11312 + ... + 15549.

It is an arithmetic number, because the mean of its divisors is an integer number (7709394).

Almost surely, 2^56918459 is an apocalyptic number.

56918459 is a deficient number, since it is larger than the sum of its proper divisors (4756693).

56918459 is a wasteful number, since it uses less digits than its factorization.

56918459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037.

The product of its digits is 388800, while the sum is 47.

The square root of 56918459 is about 7544.4323179415. The cubic root of 56918459 is about 384.6665105606. Note that the first 3 decimals are identical.

The spelling of 56918459 in words is "fifty-six million, nine hundred eighteen thousand, four hundred fifty-nine".