53026659504 has 960 divisors, whose sum is σ = 204482150400. Its totient is φ = 12838984704.

The previous prime is 53026659503. The next prime is 53026659509. The reversal of 53026659504 is 40595662035.

53026659504 is a `hidden beast` number, since 5 + 30 + 2 + 66 + 59 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53026659504.

It is not an unprimeable number, because it can be changed into a prime (53026659503) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 417532689 + ... + 417532815.

It is an arithmetic number, because the mean of its divisors is an integer number (213002240).

Almost surely, 2^53026659504 is an apocalyptic number.

53026659504 is a gapful number since it is divisible by the number (54) 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 53026659504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102241075200).

53026659504 is an abundant number, since it is smaller than the sum of its proper divisors (151455490896).

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

53026659504 is a wasteful number, since it uses less digits than its factorization.

53026659504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 53026659504 in words is "fifty-three billion, twenty-six million, six hundred fifty-nine thousand, five hundred four".