55686080 has 28 divisors (see below), whose sum is σ = 132603240. Its totient is φ = 22274304.

The previous prime is 55686031. The next prime is 55686083. The reversal of 55686080 is 8068655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55686083) 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, 86690 + ... + 87329.

It is an arithmetic number, because the mean of its divisors is an integer number (4735830).

Almost surely, 2^55686080 is an apocalyptic number.

It is an amenable number.

55686080 is an abundant number, since it is smaller than the sum of its proper divisors (76917160).

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

55686080 is a wasteful number, since it uses less digits than its factorization.

55686080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174036 (or 174026 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 55686080 is about 7462.3106341133. The cubic root of 55686080 is about 381.8700068457.

The spelling of 55686080 in words is "fifty-five million, six hundred eighty-six thousand, eighty".