53030968920 has 384 divisors, whose sum is σ = 189924134400. Its totient is φ = 13262247936.

The previous prime is 53030968909. The next prime is 53030968957. The reversal of 53030968920 is 2986903035.

53030968920 is a `hidden beast` number, since 530 + 3 + 0 + 96 + 8 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80471551 + ... + 80472209.

It is an arithmetic number, because the mean of its divisors is an integer number (494594100).

Almost surely, 2^53030968920 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 53030968920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94962067200).

53030968920 is an abundant number, since it is smaller than the sum of its proper divisors (136893165480).

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

53030968920 is a wasteful number, since it uses less digits than its factorization.

53030968920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 53030968920 in words is "fifty-three billion, thirty million, nine hundred sixty-eight thousand, nine hundred twenty".