52430784 has 84 divisors (see below), whose sum is σ = 161400744. Its totient is φ = 14977536.

The previous prime is 52430779. The next prime is 52430801. The reversal of 52430784 is 48703425.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×52430784² = 5497974221709312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6622 + ... + 12194.

Almost surely, 2^52430784 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 52430784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80700372).

52430784 is an abundant number, since it is smaller than the sum of its proper divisors (108969960).

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

52430784 is a wasteful number, since it uses less digits than its factorization.

52430784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 52430784 is about 7240.9104399930. The cubic root of 52430784 is about 374.2789915020.

The spelling of 52430784 in words is "fifty-two million, four hundred thirty thousand, seven hundred eighty-four".