52421919424 has 84 divisors (see below), whose sum is σ = 124279653904. Its totient is φ = 21489633792.

The previous prime is 52421919419. The next prime is 52421919461. The reversal of 52421919424 is 42491912425.

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 11 ways as a sum of consecutive naturals, for example, 126394 + ... + 347590.

Almost surely, 2^52421919424 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 52421919424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62139826952).

52421919424 is an abundant number, since it is smaller than the sum of its proper divisors (71857734480).

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

52421919424 is a wasteful number, since it uses less digits than its factorization.

52421919424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221262 (or 221229 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The spelling of 52421919424 in words is "fifty-two billion, four hundred twenty-one million, nine hundred nineteen thousand, four hundred twenty-four".