55668858 has 16 divisors (see below), whose sum is σ = 127243200. Its totient is φ = 15905376.

The previous prime is 55668853. The next prime is 55668859. The reversal of 55668858 is 85886655.

55668858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55668858.

It is not an unprimeable number, because it can be changed into a prime (55668853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 662683 + ... + 662766.

It is an arithmetic number, because the mean of its divisors is an integer number (7952700).

Almost surely, 2^55668858 is an apocalyptic number.

55668858 is an abundant number, since it is smaller than the sum of its proper divisors (71574342).

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

55668858 is a wasteful number, since it uses less digits than its factorization.

55668858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325461.

The product of its digits is 2304000, while the sum is 51.

The square root of 55668858 is about 7461.1566127511. The cubic root of 55668858 is about 381.8306358853.

The spelling of 55668858 in words is "fifty-five million, six hundred sixty-eight thousand, eight hundred fifty-eight".