52382280 has 64 divisors (see below), whose sum is σ = 158578560. Its totient is φ = 13841408.

The previous prime is 52382273. The next prime is 52382303. The reversal of 52382280 is 8228325.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11629 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (2477790).

Almost surely, 2^52382280 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 52382280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79289280).

52382280 is an abundant number, since it is smaller than the sum of its proper divisors (106196280).

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

52382280 is a wasteful number, since it uses less digits than its factorization.

52382280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 52382280 is about 7237.5603624426. The cubic root of 52382280 is about 374.1635400577.

The spelling of 52382280 in words is "fifty-two million, three hundred eighty-two thousand, two hundred eighty".