55863630560 has 96 divisors (see below), whose sum is σ = 132777429120. Its totient is φ = 22210449408.

The previous prime is 55863630503. The next prime is 55863630593. The reversal of 55863630560 is 6503636855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28028924 + ... + 28030916.

It is an arithmetic number, because the mean of its divisors is an integer number (1383098220).

Almost surely, 2^55863630560 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 55863630560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66388714560).

55863630560 is an abundant number, since it is smaller than the sum of its proper divisors (76913798560).

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

55863630560 is a wasteful number, since it uses less digits than its factorization.

55863630560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 55863630560 in words is "fifty-five billion, eight hundred sixty-three million, six hundred thirty thousand, five hundred sixty".