55182700 has 72 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 21130560.

The previous prime is 55182649. The next prime is 55182703. The reversal of 55182700 is 728155.

It is not an unprimeable number, because it can be changed into a prime (55182703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277201 + ... + 277399.

It is an arithmetic number, because the mean of its divisors is an integer number (1736000).

Almost surely, 2^55182700 is an apocalyptic number.

55182700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55182700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

55182700 is an abundant number, since it is smaller than the sum of its proper divisors (69809300).

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

55182700 is a wasteful number, since it uses less digits than its factorization.

55182700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 55182700 is about 7428.5059063044. The cubic root of 55182700 is about 380.7158712269.

The spelling of 55182700 in words is "fifty-five million, one hundred eighty-two thousand, seven hundred".