55695858 has 8 divisors (see below), whose sum is σ = 111391728. Its totient is φ = 18565284.

The previous prime is 55695851. The next prime is 55695877. The reversal of 55695858 is 85859655.

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

55695858 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55695858.

It is not an unprimeable number, because it can be changed into a prime (55695851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4641316 + ... + 4641327.

It is an arithmetic number, because the mean of its divisors is an integer number (13923966).

Almost surely, 2^55695858 is an apocalyptic number.

55695858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55695858 is a wasteful number, since it uses less digits than its factorization.

55695858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9282648.

The product of its digits is 2160000, while the sum is 51.

The square root of 55695858 is about 7462.9657643594. The cubic root of 55695858 is about 381.8923565747.

The spelling of 55695858 in words is "fifty-five million, six hundred ninety-five thousand, eight hundred fifty-eight".