55065830 has 8 divisors (see below), whose sum is σ = 99118512. Its totient is φ = 22026328.

The previous prime is 55065797. The next prime is 55065851. The reversal of 55065830 is 3856055.

55065830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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, 2753282 + ... + 2753301.

It is an arithmetic number, because the mean of its divisors is an integer number (12389814).

Almost surely, 2^55065830 is an apocalyptic number.

55065830 is a deficient number, since it is larger than the sum of its proper divisors (44052682).

55065830 is a wasteful number, since it uses less digits than its factorization.

55065830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506590.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55065830 is about 7420.6354175367. The cubic root of 55065830 is about 380.4469118613.

The spelling of 55065830 in words is "fifty-five million, sixty-five thousand, eight hundred thirty".