53220501455000 has 240 divisors, whose sum is σ = 137404571368680. Its totient is φ = 19304560000000.

The previous prime is 53220501454979. The next prime is 53220501455003. The reversal of 53220501455000 is 55410502235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220501455003) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 242495315 + ... + 242714685.

Almost surely, 2^{53220501455000} is an apocalyptic number.

53220501455000 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 53220501455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68702285684340).

53220501455000 is an abundant number, since it is smaller than the sum of its proper divisors (84184069913680).

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

53220501455000 is a wasteful number, since it uses less digits than its factorization.

53220501455000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219820 (or 219790 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 53220501455000 its reverse (55410502235), we get a palindrome (53275911957235).

The spelling of 53220501455000 in words is "fifty-three trillion, two hundred twenty billion, five hundred one million, four hundred fifty-five thousand".