55621630600 has 48 divisors (see below), whose sum is σ = 130307530320. Its totient is φ = 22078804800.

The previous prime is 55621630583. The next prime is 55621630703. The reversal of 55621630600 is 603612655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035282 + ... + 1087681.

It is an arithmetic number, because the mean of its divisors is an integer number (2714740215).

Almost surely, 2^55621630600 is an apocalyptic number.

55621630600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55621630600 is an abundant number, since it is smaller than the sum of its proper divisors (74685899720).

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

55621630600 is a wasteful number, since it uses less digits than its factorization.

55621630600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123110 (or 2123101 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 55621630600 in words is "fifty-five billion, six hundred twenty-one million, six hundred thirty thousand, six hundred".