55486568 has 16 divisors (see below), whose sum is σ = 104220000. Its totient is φ = 27694576.

The previous prime is 55486567. The next prime is 55486591. The reversal of 55486568 is 86568455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55486567) 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, 998 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (6513750).

Almost surely, 2^55486568 is an apocalyptic number.

It is an amenable number.

55486568 is a deficient number, since it is larger than the sum of its proper divisors (48733432).

55486568 is a wasteful number, since it uses less digits than its factorization.

55486568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184 (or 12180 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The square root of 55486568 is about 7448.9306615111. The cubic root of 55486568 is about 381.4134066883.

The spelling of 55486568 in words is "fifty-five million, four hundred eighty-six thousand, five hundred sixty-eight".