55302050000 has 240 divisors, whose sum is σ = 139142344320. Its totient is φ = 21274560000.

The previous prime is 55302049993. The next prime is 55302050003. The reversal of 55302050000 is 5020355.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55302050003) 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, 308949911 + ... + 308950089.

It is an arithmetic number, because the mean of its divisors is an integer number (579759768).

Almost surely, 2^55302050000 is an apocalyptic number.

55302050000 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 55302050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69571172160).

55302050000 is an abundant number, since it is smaller than the sum of its proper divisors (83840294320).

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

55302050000 is a wasteful number, since it uses less digits than its factorization.

55302050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

Adding to 55302050000 its reverse (5020355), we get a palindrome (55307070355).

The spelling of 55302050000 in words is "fifty-five billion, three hundred two million, fifty thousand".