52480521 has 8 divisors (see below), whose sum is σ = 77748960. Its totient is φ = 34986996.

The previous prime is 52480501. The next prime is 52480523. The reversal of 52480521 is 12508425.

It is a happy number.

It is not a de Polignac number, because 52480521 - 2²¹ = 50383369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1943723 = 52480521 / (5 + 2 + 4 + 8 + 0 + 5 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (52480523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971835 + ... + 971888.

It is an arithmetic number, because the mean of its divisors is an integer number (9718620).

Almost surely, 2^52480521 is an apocalyptic number.

It is an amenable number.

52480521 is a deficient number, since it is larger than the sum of its proper divisors (25268439).

52480521 is a wasteful number, since it uses less digits than its factorization.

52480521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943732 (or 1943726 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 52480521 is about 7244.3440696864. The cubic root of 52480521 is about 374.3973038719.

Adding to 52480521 its reverse (12508425), we get a palindrome (64988946).

The spelling of 52480521 in words is "fifty-two million, four hundred eighty thousand, five hundred twenty-one".