53122331420 has 96 divisors (see below), whose sum is σ = 122563990080. Its totient is φ = 19268720640.

The previous prime is 53122331407. The next prime is 53122331429. The reversal of 53122331420 is 2413322135.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53122331420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53122331429) 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 31 ways as a sum of consecutive naturals, for example, 793574 + ... + 857906.

It is an arithmetic number, because the mean of its divisors is an integer number (1276708230).

Almost surely, 2^53122331420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53122331420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61281995040).

53122331420 is an abundant number, since it is smaller than the sum of its proper divisors (69441658660).

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

53122331420 is a wasteful number, since it uses less digits than its factorization.

53122331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64455 (or 64453 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 53122331420 its reverse (2413322135), we get a palindrome (55535653555).

The spelling of 53122331420 in words is "fifty-three billion, one hundred twenty-two million, three hundred thirty-one thousand, four hundred twenty".