55300623400 has 96 divisors (see below), whose sum is σ = 140598010080. Its totient is φ = 20061216000.

The previous prime is 55300623383. The next prime is 55300623403. The reversal of 55300623400 is 432600355.

It is not an unprimeable number, because it can be changed into a prime (55300623403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 896347 + ... + 956053.

It is an arithmetic number, because the mean of its divisors is an integer number (1464562605).

Almost surely, 2^55300623400 is an apocalyptic number.

55300623400 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 55300623400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70299005040).

55300623400 is an abundant number, since it is smaller than the sum of its proper divisors (85297386680).

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

55300623400 is a wasteful number, since it uses less digits than its factorization.

55300623400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60155 (or 60146 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 55300623400 in words is "fifty-five billion, three hundred million, six hundred twenty-three thousand, four hundred".