55930839 has 8 divisors (see below), whose sum is σ = 75797232. Its totient is φ = 36675840.

The previous prime is 55930807. The next prime is 55930841. The reversal of 55930839 is 93803955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55930839 - 2⁵ = 55930807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55930839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55930739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152634 + ... + 152999.

It is an arithmetic number, because the mean of its divisors is an integer number (9474654).

Almost surely, 2^55930839 is an apocalyptic number.

55930839 is a deficient number, since it is larger than the sum of its proper divisors (19866393).

55930839 is a wasteful number, since it uses less digits than its factorization.

55930839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305697.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 55930839 is about 7478.6923322196. The cubic root of 55930839 is about 382.4286713934.

The spelling of 55930839 in words is "fifty-five million, nine hundred thirty thousand, eight hundred thirty-nine".