52220033141550 has 96 divisors (see below), whose sum is σ = 130688454046464. Its totient is φ = 13798622400000.

The previous prime is 52220033141527. The next prime is 52220033141557. The reversal of 52220033141550 is 5514133002225.

It is a super-2 number, since 2×52220033141550² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220033141557) 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, 6207937 + ... + 11957363.

It is an arithmetic number, because the mean of its divisors is an integer number (1361338062984).

Almost surely, 2^{52220033141550} is an apocalyptic number.

52220033141550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52220033141550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65344227023232).

52220033141550 is an abundant number, since it is smaller than the sum of its proper divisors (78468420904914).

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

52220033141550 is a wasteful number, since it uses less digits than its factorization.

52220033141550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749994 (or 5749989 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 52220033141550 its reverse (5514133002225), we get a palindrome (57734166143775).

The spelling of 52220033141550 in words is "fifty-two trillion, two hundred twenty billion, thirty-three million, one hundred forty-one thousand, five hundred fifty".