55882380 has 48 divisors (see below), whose sum is σ = 156822624. Its totient is φ = 14868480.

The previous prime is 55882369. The next prime is 55882397. The reversal of 55882380 is 8328855.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37734 + ... + 39186.

It is an arithmetic number, because the mean of its divisors is an integer number (3267138).

Almost surely, 2^55882380 is an apocalyptic number.

It is an amenable number.

55882380 is an abundant number, since it is smaller than the sum of its proper divisors (100940244).

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

55882380 is a wasteful number, since it uses less digits than its factorization.

55882380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 55882380 is about 7475.4518258096. The cubic root of 55882380 is about 382.3181928928.

The spelling of 55882380 in words is "fifty-five million, eight hundred eighty-two thousand, three hundred eighty".