52442280 has 384 divisors, whose sum is σ = 212284800. Its totient is φ = 11059200.

The previous prime is 52442279. The next prime is 52442287. The reversal of 52442280 is 8224425.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52442287) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1279060 + ... + 1279100.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^52442280 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 52442280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106142400).

52442280 is an abundant number, since it is smaller than the sum of its proper divisors (159842520).

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

52442280 is a wasteful number, since it uses less digits than its factorization.

52442280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 52442280 is about 7241.7042193119. The cubic root of 52442280 is about 374.3063443694.

The spelling of 52442280 in words is "fifty-two million, four hundred forty-two thousand, two hundred eighty".