55068986 has 32 divisors (see below), whose sum is σ = 97396992. Its totient is φ = 22861440.

The previous prime is 55068983. The next prime is 55068991. The reversal of 55068986 is 68986055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55068986.

It is not an unprimeable number, because it can be changed into a prime (55068983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112835 + ... + 113321.

It is an arithmetic number, because the mean of its divisors is an integer number (3043656).

Almost surely, 2^55068986 is an apocalyptic number.

55068986 is a deficient number, since it is larger than the sum of its proper divisors (42328006).

55068986 is a wasteful number, since it uses less digits than its factorization.

55068986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 55068986 is about 7420.8480647430. The cubic root of 55068986 is about 380.4541799349.

The spelling of 55068986 in words is "fifty-five million, sixty-eight thousand, nine hundred eighty-six".