55301789500 has 96 divisors (see below), whose sum is σ = 127241674560. Its totient is φ = 20939040000.

The previous prime is 55301789449. The next prime is 55301789527. The reversal of 55301789500 is 598710355.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 21098190 + ... + 21100810.

It is an arithmetic number, because the mean of its divisors is an integer number (1325434110).

Almost surely, 2^55301789500 is an apocalyptic number.

55301789500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55301789500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63620837280).

55301789500 is an abundant number, since it is smaller than the sum of its proper divisors (71939885060).

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

55301789500 is a wasteful number, since it uses less digits than its factorization.

55301789500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880 (or 4868 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 55301789500 in words is "fifty-five billion, three hundred one million, seven hundred eighty-nine thousand, five hundred".