53222440000 has 140 divisors (see below), whose sum is σ = 132545968588. Its totient is φ = 21196800000.

The previous prime is 53222439917. The next prime is 53222440043. The reversal of 53222440000 is 4422235.

It can be written as a sum of positive squares in 10 ways, for example, as 40054418496 + 13168021504 = 200136^2 + 114752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9637240 + ... + 9642760.

Almost surely, 2^53222440000 is an apocalyptic number.

53222440000 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 53222440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66272984294).

53222440000 is an abundant number, since it is smaller than the sum of its proper divisors (79323528588).

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

53222440000 is an equidigital number, since it uses as much as digits as its factorization.

53222440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 53222440000 its reverse (4422235), we get a palindrome (53226862235).

The spelling of 53222440000 in words is "fifty-three billion, two hundred twenty-two million, four hundred forty thousand".