52480000 has 120 divisors (see below), whose sum is σ = 134324190. Its totient is φ = 20480000.

The previous prime is 52479991. The next prime is 52480013. The reversal of 52480000 is 8425.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 1557504 + 50922496 = 1248^2 + 7136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52480000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1279980 + ... + 1280020.

Almost surely, 2^52480000 is an apocalyptic number.

52480000 is a gapful number since it is divisible by the number (50) 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 52480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67162095).

52480000 is an abundant number, since it is smaller than the sum of its proper divisors (81844190).

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

52480000 is an frugal number, since it uses more digits than its factorization.

52480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 52480000 is about 7244.3081105099. The cubic root of 52480000 is about 374.3960649256.

Adding to 52480000 its reverse (8425), we get a palindrome (52488425).

The spelling of 52480000 in words is "fifty-two million, four hundred eighty thousand".