55867168 has 72 divisors (see below), whose sum is σ = 133684992. Its totient is φ = 22508544.

The previous prime is 55867127. The next prime is 55867171. The reversal of 55867168 is 86176855.

It is a super-2 number, since 2×55867168² = 6242280920680448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64305 + ... + 65167.

It is an arithmetic number, because the mean of its divisors is an integer number (1856736).

Almost surely, 2^55867168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55867168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66842496).

55867168 is an abundant number, since it is smaller than the sum of its proper divisors (77817824).

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

55867168 is a wasteful number, since it uses less digits than its factorization.

55867168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 889 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 55867168 is about 7474.4342929750. The cubic root of 55867168 is about 382.2834988792.

The spelling of 55867168 in words is "fifty-five million, eight hundred sixty-seven thousand, one hundred sixty-eight".