56849839 has 8 divisors (see below), whose sum is σ = 57434112. Its totient is φ = 56268600.

The previous prime is 56849833. The next prime is 56849861. The reversal of 56849839 is 93894865.

It is a happy number.

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 56849839 - 2⁷ = 56849711 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 (56849833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57342 + ... + 58324.

It is an arithmetic number, because the mean of its divisors is an integer number (7179264).

Almost surely, 2^56849839 is an apocalyptic number.

56849839 is a deficient number, since it is larger than the sum of its proper divisors (584273).

56849839 is a wasteful number, since it uses less digits than its factorization.

56849839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 1866240, while the sum is 52.

The square root of 56849839 is about 7539.8832219074. The cubic root of 56849839 is about 384.5118657641.

The spelling of 56849839 in words is "fifty-six million, eight hundred forty-nine thousand, eight hundred thirty-nine".