52450521 has 8 divisors (see below), whose sum is σ = 71639904. Its totient is φ = 34114080.

The previous prime is 52450513. The next prime is 52450537. The reversal of 52450521 is 12505425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52450521 - 2³ = 52450513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52450491 and 52450500.

It is not an unprimeable number, because it can be changed into a prime (52450561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213091 + ... + 213336.

It is an arithmetic number, because the mean of its divisors is an integer number (8954988).

Almost surely, 2^52450521 is an apocalyptic number.

It is an amenable number.

52450521 is a deficient number, since it is larger than the sum of its proper divisors (19189383).

52450521 is a wasteful number, since it uses less digits than its factorization.

52450521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426471.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 52450521 is about 7242.2731928587. The cubic root of 52450521 is about 374.3259500325.

Adding to 52450521 its reverse (12505425), we get a palindrome (64955946).

The spelling of 52450521 in words is "fifty-two million, four hundred fifty thousand, five hundred twenty-one".