53400017320 has 256 divisors, whose sum is σ = 135126351360. Its totient is φ = 18869760000.

The previous prime is 53400017311. The next prime is 53400017329. The reversal of 53400017320 is 2371000435.

It is an interprime number because it is at equal distance from previous prime (53400017311) and next prime (53400017329).

It is not an unprimeable number, because it can be changed into a prime (53400017329) 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 63 ways as a sum of consecutive naturals, for example, 295027630 + ... + 295027810.

It is an arithmetic number, because the mean of its divisors is an integer number (527837310).

Almost surely, 2^53400017320 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 53400017320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67563175680).

53400017320 is an abundant number, since it is smaller than the sum of its proper divisors (81726334040).

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

53400017320 is a wasteful number, since it uses less digits than its factorization.

53400017320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

Adding to 53400017320 its reverse (2371000435), we get a palindrome (55771017755).

The spelling of 53400017320 in words is "fifty-three billion, four hundred million, seventeen thousand, three hundred twenty".