53421742080 has 576 divisors, whose sum is σ = 219508773120. Its totient is φ = 12206702592.

The previous prime is 53421741983. The next prime is 53421742091. The reversal of 53421742080 is 8024712435.

It is a happy number.

53421742080 is a `hidden beast` number, since 534 + 2 + 1 + 7 + 42 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17416707 + ... + 17419773.

It is an arithmetic number, because the mean of its divisors is an integer number (381091620).

Almost surely, 2^53421742080 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 53421742080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109754386560).

53421742080 is an abundant number, since it is smaller than the sum of its proper divisors (166087031040).

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

53421742080 is an equidigital number, since it uses as much as digits as its factorization.

53421742080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 53421742080 in words is "fifty-three billion, four hundred twenty-one million, seven hundred forty-two thousand, eighty".