53321152122 has 256 divisors, whose sum is σ = 145722240000. Its totient is φ = 14424044544.

The previous prime is 53321152121. The next prime is 53321152127. The reversal of 53321152122 is 22125112335.

53321152122 is a `hidden beast` number, since 5 + 332 + 115 + 212 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53321152121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28467378 + ... + 28469250.

It is an arithmetic number, because the mean of its divisors is an integer number (569227500).

Almost surely, 2^53321152122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53321152122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72861120000).

53321152122 is an abundant number, since it is smaller than the sum of its proper divisors (92401087878).

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

53321152122 is a wasteful number, since it uses less digits than its factorization.

53321152122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1967 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

Adding to 53321152122 its reverse (22125112335), we get a palindrome (75446264457).

The spelling of 53321152122 in words is "fifty-three billion, three hundred twenty-one million, one hundred fifty-two thousand, one hundred twenty-two".