55603324450 has 48 divisors (see below), whose sum is σ = 104792042880. Its totient is φ = 21947065920.

The previous prime is 55603324429. The next prime is 55603324451. The reversal of 55603324450 is 5442330655.

55603324450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55603324451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9781309 + ... + 9786991.

It is an arithmetic number, because the mean of its divisors is an integer number (2183167560).

Almost surely, 2^55603324450 is an apocalyptic number.

55603324450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55603324450 is a deficient number, since it is larger than the sum of its proper divisors (49188718430).

55603324450 is a wasteful number, since it uses less digits than its factorization.

55603324450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251 (or 8246 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 55603324450 in words is "fifty-five billion, six hundred three million, three hundred twenty-four thousand, four hundred fifty".