55182680 has 64 divisors (see below), whose sum is σ = 150258240. Its totient is φ = 17805312.

The previous prime is 55182649. The next prime is 55182703. The reversal of 55182680 is 8628155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 55182680.

It is a congruent number.

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, 1037 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (2347785).

Almost surely, 2^55182680 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 55182680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75129120).

55182680 is an abundant number, since it is smaller than the sum of its proper divisors (95075560).

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

55182680 is a wasteful number, since it uses less digits than its factorization.

55182680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11628 (or 11624 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 55182680 is about 7428.5045601386. The cubic root of 55182680 is about 380.7158252323.

The spelling of 55182680 in words is "fifty-five million, one hundred eighty-two thousand, six hundred eighty".