55830085 has 8 divisors (see below), whose sum is σ = 69909120. Its totient is φ = 42722064.

The previous prime is 55830083. The next prime is 55830097. The reversal of 55830085 is 58003855.

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 55830085 - 2¹ = 55830083 is a prime.

It is a super-2 number, since 2×55830085² = 6233996782214450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55830085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55830083) 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, 242625 + ... + 242854.

It is an arithmetic number, because the mean of its divisors is an integer number (8738640).

Almost surely, 2^55830085 is an apocalyptic number.

It is an amenable number.

55830085 is a deficient number, since it is larger than the sum of its proper divisors (14079035).

55830085 is a wasteful number, since it uses less digits than its factorization.

55830085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485507.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 55830085 is about 7471.9532252283. The cubic root of 55830085 is about 382.1988972712.

The spelling of 55830085 in words is "fifty-five million, eight hundred thirty thousand, eighty-five".