55631160 has 96 divisors (see below), whose sum is σ = 194725440. Its totient is φ = 13692672.

The previous prime is 55631153. The next prime is 55631161. The reversal of 55631160 is 6113655.

It is a happy number.

55631160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55631161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1264 + ... + 10623.

It is an arithmetic number, because the mean of its divisors is an integer number (2028390).

Almost surely, 2^55631160 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 55631160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97362720).

55631160 is an abundant number, since it is smaller than the sum of its proper divisors (139094280).

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

55631160 is a wasteful number, since it uses less digits than its factorization.

55631160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11917 (or 11910 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 55631160 is about 7458.6299009939. The cubic root of 55631160 is about 381.7444266938.

The spelling of 55631160 in words is "fifty-five million, six hundred thirty-one thousand, one hundred sixty".