55786068 has 72 divisors (see below), whose sum is σ = 152880000. Its totient is φ = 17050176.

The previous prime is 55786067. The next prime is 55786097. The reversal of 55786068 is 86068755.

55786068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55786068² = 6224170765801248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55786067) 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 23 ways as a sum of consecutive naturals, for example, 92833 + ... + 93431.

Almost surely, 2^55786068 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 55786068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76440000).

55786068 is an abundant number, since it is smaller than the sum of its proper divisors (97093932).

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

55786068 is a wasteful number, since it uses less digits than its factorization.

55786068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 55786068 is about 7469.0071629367. The cubic root of 55786068 is about 382.0984277126.

The spelling of 55786068 in words is "fifty-five million, seven hundred eighty-six thousand, sixty-eight".