52280424 has 128 divisors (see below), whose sum is σ = 168652800. Its totient is φ = 14696640.

The previous prime is 52280413. The next prime is 52280429. The reversal of 52280424 is 42408225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52280429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107109 + ... + 107595.

It is an arithmetic number, because the mean of its divisors is an integer number (1317600).

Almost surely, 2^52280424 is an apocalyptic number.

52280424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52280424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84326400).

52280424 is an abundant number, since it is smaller than the sum of its proper divisors (116372376).

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

52280424 is a wasteful number, since it uses less digits than its factorization.

52280424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 570 counting only the distinct ones).

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

The square root of 52280424 is about 7230.5203132278. The cubic root of 52280424 is about 373.9208655625.

Adding to 52280424 its reverse (42408225), we get a palindrome (94688649).

The spelling of 52280424 in words is "fifty-two million, two hundred eighty thousand, four hundred twenty-four".