53030305055508 has 384 divisors, whose sum is σ = 150471391150080. Its totient is φ = 14347199623680.

The previous prime is 53030305055477. The next prime is 53030305055543. The reversal of 53030305055508 is 80555050303035.

It is a super-2 number, since 2×53030305055508² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53030305055508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1170443391 + ... + 1170488697.

It is an arithmetic number, because the mean of its divisors is an integer number (391852581120).

Almost surely, 2^{53030305055508} 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 53030305055508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75235695575040).

53030305055508 is an abundant number, since it is smaller than the sum of its proper divisors (97441086094572).

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

53030305055508 is a wasteful number, since it uses less digits than its factorization.

53030305055508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45667 (or 45665 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 53030305055508 in words is "fifty-three trillion, thirty billion, three hundred five million, fifty-five thousand, five hundred eight".