52419388 has 48 divisors (see below), whose sum is σ = 109283328. Its totient is φ = 21528000.

The previous prime is 52419383. The next prime is 52419391. The reversal of 52419388 is 88391425.

It is a self number, because there is not a number n which added to its sum of digits gives 52419388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52419383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 113478 + ... + 113938.

It is an arithmetic number, because the mean of its divisors is an integer number (2276736).

Almost surely, 2^52419388 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 52419388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54641664).

52419388 is an abundant number, since it is smaller than the sum of its proper divisors (56863940).

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

52419388 is a wasteful number, since it uses less digits than its factorization.

52419388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 52419388 is about 7240.1234796100. The cubic root of 52419388 is about 374.2518726218.

The spelling of 52419388 in words is "fifty-two million, four hundred nineteen thousand, three hundred eighty-eight".