55695839 has 8 divisors (see below), whose sum is σ = 56371920. Its totient is φ = 55022976.

The previous prime is 55695803. The next prime is 55695847. The reversal of 55695839 is 93859655.

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 55695839 - 2⁸ = 55695583 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 (55695889) 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, 56519 + ... + 57495.

It is an arithmetic number, because the mean of its divisors is an integer number (7046490).

Almost surely, 2^55695839 is an apocalyptic number.

55695839 is a deficient number, since it is larger than the sum of its proper divisors (676081).

55695839 is a wasteful number, since it uses less digits than its factorization.

55695839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609.

The product of its digits is 1458000, while the sum is 50.

The square root of 55695839 is about 7462.9644914069. The cubic root of 55695839 is about 381.8923131486.

The spelling of 55695839 in words is "fifty-five million, six hundred ninety-five thousand, eight hundred thirty-nine".