55662553650 has 96 divisors (see below), whose sum is σ = 150838560000. Its totient is φ = 13471905600.

The previous prime is 55662553643. The next prime is 55662553651. The reversal of 55662553650 is 5635526655.

It is a self number, because there is not a number n which added to its sum of digits gives 55662553650.

It is not an unprimeable number, because it can be changed into a prime (55662553651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 994101 + ... + 1048599.

It is an arithmetic number, because the mean of its divisors is an integer number (1571235000).

Almost surely, 2^55662553650 is an apocalyptic number.

55662553650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55662553650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75419280000).

55662553650 is an abundant number, since it is smaller than the sum of its proper divisors (95176006350).

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

55662553650 is a wasteful number, since it uses less digits than its factorization.

55662553650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55144 (or 55139 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 48.

The spelling of 55662553650 in words is "fifty-five billion, six hundred sixty-two million, five hundred fifty-three thousand, six hundred fifty".