55828680 has 64 divisors (see below), whose sum is σ = 177344640. Its totient is φ = 14011392.

The previous prime is 55828679. The next prime is 55828687. The reversal of 55828680 is 8682855.

It is not an unprimeable number, because it can be changed into a prime (55828687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11644 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (2771010).

Almost surely, 2^55828680 is an apocalyptic number.

It is an amenable number.

55828680 is an abundant number, since it is smaller than the sum of its proper divisors (121515960).

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

55828680 is a wasteful number, since it uses less digits than its factorization.

55828680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27398 (or 27394 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 55828680 is about 7471.8592063823. The cubic root of 55828680 is about 382.1956911507.

The spelling of 55828680 in words is "fifty-five million, eight hundred twenty-eight thousand, six hundred eighty".