55663160 has 64 divisors (see below), whose sum is σ = 150681600. Its totient is φ = 18078336.

The previous prime is 55663147. The next prime is 55663169. The reversal of 55663160 is 6136655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55663169) 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, 89 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (2354400).

Almost surely, 2^55663160 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 55663160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75340800).

55663160 is an abundant number, since it is smaller than the sum of its proper divisors (95018440).

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

55663160 is a wasteful number, since it uses less digits than its factorization.

55663160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500 (or 10496 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 55663160 is about 7460.7747586963. The cubic root of 55663160 is about 381.8176079837.

The spelling of 55663160 in words is "fifty-five million, six hundred sixty-three thousand, one hundred sixty".