52241821 has 8 divisors (see below), whose sum is σ = 52859520. Its totient is φ = 51627072.

The previous prime is 52241797. The next prime is 52241857. The reversal of 52241821 is 12814225.

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

It is a cyclic number.

It is not a de Polignac number, because 52241821 - 2¹¹ = 52239773 is a prime.

It is a super-2 number, since 2×52241821² = 5458415722792082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52241921) 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, 72300 + ... + 73018.

It is an arithmetic number, because the mean of its divisors is an integer number (6607440).

Almost surely, 2^52241821 is an apocalyptic number.

It is an amenable number.

52241821 is a deficient number, since it is larger than the sum of its proper divisors (617699).

52241821 is a wasteful number, since it uses less digits than its factorization.

52241821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its digits is 1280, while the sum is 25.

The square root of 52241821 is about 7227.8503719986. The cubic root of 52241821 is about 373.8288105748.

The spelling of 52241821 in words is "fifty-two million, two hundred forty-one thousand, eight hundred twenty-one".