53430245504 has 128 divisors (see below), whose sum is σ = 109961712000. Its totient is φ = 25850880000.

The previous prime is 53430245359. The next prime is 53430245549. The reversal of 53430245504 is 40554203435.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×53430245504² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212869379 + ... + 212869629.

It is an arithmetic number, because the mean of its divisors is an integer number (859075875).

Almost surely, 2^53430245504 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 53430245504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54980856000).

53430245504 is an abundant number, since it is smaller than the sum of its proper divisors (56531466496).

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

53430245504 is a wasteful number, since it uses less digits than its factorization.

53430245504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 53430245504 its reverse (40554203435), we get a palindrome (93984448939).

The spelling of 53430245504 in words is "fifty-three billion, four hundred thirty million, two hundred forty-five thousand, five hundred four".