55006839 has 12 divisors (see below), whose sum is σ = 80412696. Its totient is φ = 36228912.

The previous prime is 55006817. The next prime is 55006891. The reversal of 55006839 is 93860055.

It is not a de Polignac number, because 55006839 - 2⁵ = 55006807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55006439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36072 + ... + 37565.

It is an arithmetic number, because the mean of its divisors is an integer number (6701058).

Almost surely, 2^55006839 is an apocalyptic number.

55006839 is a deficient number, since it is larger than the sum of its proper divisors (25405857).

55006839 is a wasteful number, since it uses less digits than its factorization.

55006839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73726 (or 73723 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 55006839 is about 7416.6595580490. The cubic root of 55006839 is about 380.3110080846.

The spelling of 55006839 in words is "fifty-five million, six thousand, eight hundred thirty-nine".