55856459 has 4 divisors (see below), whose sum is σ = 55876440. Its totient is φ = 55836480.

The previous prime is 55856453. The next prime is 55856491. The reversal of 55856459 is 95465855.

55856459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55856459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55856453) 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 3 ways as a sum of consecutive naturals, for example, 4949 + ... + 11670.

It is an arithmetic number, because the mean of its divisors is an integer number (13969110).

Almost surely, 2^55856459 is an apocalyptic number.

55856459 is a deficient number, since it is larger than the sum of its proper divisors (19981).

55856459 is a wasteful number, since it uses less digits than its factorization.

55856459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980.

The product of its digits is 1080000, while the sum is 47.

The square root of 55856459 is about 7473.7178833563. The cubic root of 55856459 is about 382.2590710817.

The spelling of 55856459 in words is "fifty-five million, eight hundred fifty-six thousand, four hundred fifty-nine".