55724726002000 has 320 divisors, whose sum is σ = 153810389790720. Its totient is φ = 19328460096000.

The previous prime is 55724726001983. The next prime is 55724726002007. The reversal of 55724726002000 is 20062742755.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55724726002007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181500619 + ... + 181807381.

It is an arithmetic number, because the mean of its divisors is an integer number (480657468096).

Almost surely, 2^{55724726002000} is an apocalyptic number.

55724726002000 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 55724726002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76905194895360).

55724726002000 is an abundant number, since it is smaller than the sum of its proper divisors (98085663788720).

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

55724726002000 is a wasteful number, since it uses less digits than its factorization.

55724726002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307179 (or 307163 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

Adding to 55724726002000 its reverse (20062742755), we get a palindrome (55744788744755).

The spelling of 55724726002000 in words is "fifty-five trillion, seven hundred twenty-four billion, seven hundred twenty-six million, two thousand".